diff --git a/backend-node/src/services/bomService.ts b/backend-node/src/services/bomService.ts
index b5cff246..f1d6fd84 100644
--- a/backend-node/src/services/bomService.ts
+++ b/backend-node/src/services/bomService.ts
@@ -59,7 +59,10 @@ export async function getBomHeader(bomId: string, tableName?: string) {
   const table = safeTableName(tableName || "", "bom");
   const sql = `
     SELECT b.*,
-           i.item_name, i.item_number, i.division as item_type, i.unit
+           i.item_name, i.item_number, i.division as item_type,
+           COALESCE(b.unit, i.unit) as unit,
+           i.unit as item_unit,
+           i.division, i.size, i.material
     FROM ${table} b
     LEFT JOIN item_info i ON b.item_id = i.id
     WHERE b.id = $1
diff --git a/frontend/components/screen/EditModal.tsx b/frontend/components/screen/EditModal.tsx
index 8dad77db..41c51d85 100644
--- a/frontend/components/screen/EditModal.tsx
+++ b/frontend/components/screen/EditModal.tsx
@@ -274,7 +274,26 @@ export const EditModal: React.FC<EditModalProps> = ({ className }) => {
       });
 
       // 편집 데이터로 폼 데이터 초기화
-      setFormData(editData || {});
+      // entity join 필드(xxx_yyy)를 dot notation(table.column)으로도 매핑
+      const enriched = { ...(editData || {}) };
+      if (editData) {
+        Object.keys(editData).forEach((key) => {
+          // item_id_item_name → item_info.item_name 패턴 변환
+          const match = key.match(/^(.+?)_([a-z_]+)$/);
+          if (match && editData[key] != null) {
+            const [, fkCol, fieldName] = match;
+            // FK가 _id로 끝나면 참조 테이블명 추론 (item_id → item_info)
+            if (fkCol.endsWith("_id")) {
+              const refTable = fkCol.replace(/_id$/, "_info");
+              const dotKey = `${refTable}.${fieldName}`;
+              if (!(dotKey in enriched)) {
+                enriched[dotKey] = editData[key];
+              }
+            }
+          }
+        });
+      }
+      setFormData(enriched);
       // originalData: changedData 계산(PATCH)에만 사용
       // INSERT/UPDATE 판단에는 사용하지 않음
       setOriginalData(isCreateMode ? {} : editData || {});
diff --git a/frontend/components/screen/EnhancedInteractiveScreenViewer.tsx b/frontend/components/screen/EnhancedInteractiveScreenViewer.tsx
index f1acae0b..d0a99d91 100644
--- a/frontend/components/screen/EnhancedInteractiveScreenViewer.tsx
+++ b/frontend/components/screen/EnhancedInteractiveScreenViewer.tsx
@@ -245,23 +245,29 @@ export const EnhancedInteractiveScreenViewer: React.FC<EnhancedInteractiveScreen
     };
 
     // 라벨 렌더링
+    const labelPos = widget.style?.labelPosition || "top";
+    const isHorizLabel = labelPos === "left" || labelPos === "right";
+
     const renderLabel = () => {
       if (hideLabel) return null;
 
-      const labelStyle = widget.style || {};
+      const ls = widget.style || {};
       const labelElement = (
         <label
-          className={`mb-2 block text-sm leading-none font-medium peer-disabled:cursor-not-allowed peer-disabled:opacity-70 ${hasError ? "text-destructive" : ""}`}
+          className={`text-sm leading-none font-medium peer-disabled:cursor-not-allowed peer-disabled:opacity-70 ${hasError ? "text-destructive" : ""}`}
           style={{
-            fontSize: labelStyle.labelFontSize || "14px",
-            color: hasError ? "hsl(var(--destructive))" : labelStyle.labelColor || undefined,
-            fontWeight: labelStyle.labelFontWeight || "500",
-            fontFamily: labelStyle.labelFontFamily,
-            textAlign: labelStyle.labelTextAlign || "left",
-            backgroundColor: labelStyle.labelBackgroundColor,
-            padding: labelStyle.labelPadding,
-            borderRadius: labelStyle.labelBorderRadius,
-            marginBottom: labelStyle.labelMarginBottom || "8px",
+            fontSize: ls.labelFontSize || "14px",
+            color: hasError ? "hsl(var(--destructive))" : ls.labelColor || undefined,
+            fontWeight: ls.labelFontWeight || "500",
+            fontFamily: ls.labelFontFamily,
+            textAlign: ls.labelTextAlign || "left",
+            backgroundColor: ls.labelBackgroundColor,
+            padding: ls.labelPadding,
+            borderRadius: ls.labelBorderRadius,
+            ...(isHorizLabel
+              ? { whiteSpace: "nowrap" as const, display: "flex", alignItems: "center" }
+              : { marginBottom: labelPos === "top" ? (ls.labelMarginBottom || "8px") : undefined,
+                  marginTop: labelPos === "bottom" ? (ls.labelMarginBottom || "8px") : undefined }),
           }}
         >
           {widget.label}
@@ -332,11 +338,28 @@ export const EnhancedInteractiveScreenViewer: React.FC<EnhancedInteractiveScreen
       }
     };
 
+    const labelElement = renderLabel();
+    const widgetElement = renderByWebType();
+    const validationElement = renderFieldValidation();
+
+    if (isHorizLabel && labelElement) {
+      return (
+        <div key={comp.id}>
+          <div style={{ display: "flex", flexDirection: labelPos === "left" ? "row" : "row-reverse", alignItems: "center", gap: widget.style?.labelGap || "8px" }}>
+            {labelElement}
+            <div style={{ flex: 1, minWidth: 0 }}>{widgetElement}</div>
+          </div>
+          {validationElement}
+        </div>
+      );
+    }
+
     return (
-      <div key={comp.id} className="space-y-2">
-        {renderLabel()}
-        {renderByWebType()}
-        {renderFieldValidation()}
+      <div key={comp.id}>
+        {labelPos === "top" && labelElement}
+        {widgetElement}
+        {labelPos === "bottom" && labelElement}
+        {validationElement}
       </div>
     );
   };
diff --git a/frontend/components/screen/InteractiveScreenViewer.tsx b/frontend/components/screen/InteractiveScreenViewer.tsx
index 252f5c2b..f90fc7a2 100644
--- a/frontend/components/screen/InteractiveScreenViewer.tsx
+++ b/frontend/components/screen/InteractiveScreenViewer.tsx
@@ -2208,15 +2208,21 @@ export const InteractiveScreenViewer: React.FC<InteractiveScreenViewerProps> = (
     });
   }
 
-  // 라벨 스타일 적용
-  const labelStyle = {
+  // 라벨 위치 및 스타일
+  const labelPosition = component.style?.labelPosition || "top";
+  const isHorizontalLabel = labelPosition === "left" || labelPosition === "right";
+  const labelGap = component.style?.labelGap || "8px";
+
+  const labelStyle: React.CSSProperties = {
     fontSize: component.style?.labelFontSize || "14px",
     color: component.style?.labelColor || "#212121",
     fontWeight: component.style?.labelFontWeight || "500",
     backgroundColor: component.style?.labelBackgroundColor || "transparent",
     padding: component.style?.labelPadding || "0",
     borderRadius: component.style?.labelBorderRadius || "0",
-    marginBottom: component.style?.labelMarginBottom || "4px",
+    ...(isHorizontalLabel
+      ? { whiteSpace: "nowrap" as const, display: "flex", alignItems: "center" }
+      : { marginBottom: component.style?.labelMarginBottom || "4px" }),
   };
 
 
@@ -2452,18 +2458,45 @@ export const InteractiveScreenViewer: React.FC<InteractiveScreenViewerProps> = (
           {/* 테이블 옵션 툴바 */}
           <TableOptionsToolbar />
           
-          {/* 메인 컨텐츠 */}
-          <div className="h-full flex-1" style={{ width: '100%' }}>
-            {/* 라벨이 있는 경우 표시 (데이터 테이블 제외) */}
-            {shouldShowLabel && (
-              <label className="mb-2 block text-sm font-medium leading-none peer-disabled:cursor-not-allowed peer-disabled:opacity-70">
+          {/* 메인 컨텐츠 - 라벨 위치에 따라 flex 방향 변경 */}
+          <div
+            className="h-full flex-1"
+            style={{
+              width: '100%',
+              ...(shouldShowLabel && isHorizontalLabel
+                ? { display: 'flex', flexDirection: labelPosition === 'left' ? 'row' : 'row-reverse', alignItems: 'center', gap: labelGap }
+                : {}),
+            }}
+          >
+            {/* 라벨: top 또는 left일 때 위젯보다 먼저 렌더링 */}
+            {shouldShowLabel && (labelPosition === "top" || labelPosition === "left") && (
+              <label
+                className="text-sm font-medium leading-none peer-disabled:cursor-not-allowed peer-disabled:opacity-70"
+                style={labelStyle}
+              >
                 {labelText}
                 {(component.required || component.componentConfig?.required) && <span className="ml-1 text-destructive">*</span>}
               </label>
             )}
 
-          {/* 실제 위젯 - 상위에서 라벨을 렌더링했으므로 자식은 라벨 숨김 */}
-          <div className="h-full" style={{ width: '100%', height: '100%' }}>{renderInteractiveWidget(componentForRendering)}</div>
+            {/* 실제 위젯 */}
+            <div className="h-full" style={{ width: '100%', height: '100%', ...(isHorizontalLabel ? { flex: 1, minWidth: 0 } : {}) }}>
+              {renderInteractiveWidget(componentForRendering)}
+            </div>
+
+            {/* 라벨: bottom 또는 right일 때 위젯 뒤에 렌더링 */}
+            {shouldShowLabel && (labelPosition === "bottom" || labelPosition === "right") && (
+              <label
+                className="text-sm font-medium leading-none peer-disabled:cursor-not-allowed peer-disabled:opacity-70"
+                style={{
+                  ...labelStyle,
+                  ...(labelPosition === "bottom" ? { marginBottom: 0, marginTop: component.style?.labelMarginBottom || "4px" } : {}),
+                }}
+              >
+                {labelText}
+                {(component.required || component.componentConfig?.required) && <span className="ml-1 text-destructive">*</span>}
+              </label>
+            )}
           </div>
         </div>
 
diff --git a/frontend/components/screen/InteractiveScreenViewerDynamic.tsx b/frontend/components/screen/InteractiveScreenViewerDynamic.tsx
index e2143e8e..30fc5539 100644
--- a/frontend/components/screen/InteractiveScreenViewerDynamic.tsx
+++ b/frontend/components/screen/InteractiveScreenViewerDynamic.tsx
@@ -1078,17 +1078,21 @@ export const InteractiveScreenViewerDynamic: React.FC<InteractiveScreenViewerPro
   // TableSearchWidget의 경우 높이를 자동으로 설정
   const isTableSearchWidget = (component as any).componentId === "table-search-widget";
 
-  // 🆕 라벨 표시 여부 확인 (V2 입력 컴포넌트)
-  // labelDisplay가 false가 아니고, labelText 또는 label이 있으면 라벨 표시
-  const isV2InputComponent = type === "v2-input" || type === "v2-select" || type === "v2-date";
+  // 라벨 표시 여부 확인 (V2 입력 컴포넌트)
+  const compType = (component as any).componentType || "";
+  const isV2InputComponent = 
+    type === "v2-input" || type === "v2-select" || type === "v2-date" ||
+    compType === "v2-input" || compType === "v2-select" || compType === "v2-date";
   const hasVisibleLabel = isV2InputComponent && 
     style?.labelDisplay !== false && 
     (style?.labelText || (component as any).label);
   
-  // 라벨이 있는 경우 상단 여백 계산 (라벨 폰트크기 + 여백)
+  // 라벨 위치에 따라 오프셋 계산 (좌/우 배치 시 세로 오프셋 불필요)
+  const labelPos = style?.labelPosition || "top";
+  const isVerticalLabel = labelPos === "top" || labelPos === "bottom";
   const labelFontSize = style?.labelFontSize ? parseInt(String(style.labelFontSize)) : 14;
   const labelMarginBottom = style?.labelMarginBottom ? parseInt(String(style.labelMarginBottom)) : 4;
-  const labelOffset = hasVisibleLabel ? (labelFontSize + labelMarginBottom + 2) : 0;
+  const labelOffset = (hasVisibleLabel && isVerticalLabel) ? (labelFontSize + labelMarginBottom + 2) : 0;
 
   const calculateCanvasSplitX = (): { x: number; w: number } => {
     const compType = (component as any).componentType || "";
@@ -1238,10 +1242,56 @@ export const InteractiveScreenViewerDynamic: React.FC<InteractiveScreenViewerPro
     return unsubscribe;
   }, [component.id, position?.x, size?.width, type]);
 
+  // 라벨 위치가 top이 아닌 경우: 외부에서 라벨을 렌더링하고 내부 라벨은 숨김
+  const needsExternalLabel = hasVisibleLabel && labelPos !== "top";
+  const isHorizLabel = labelPos === "left" || labelPos === "right";
+  const labelText = style?.labelText || (component as any).label || "";
+  const labelGapValue = style?.labelGap || "8px";
+
+  const externalLabelComponent = needsExternalLabel ? (
+    <label
+      className="text-sm font-medium leading-none"
+      style={{
+        fontSize: style?.labelFontSize || "14px",
+        color: style?.labelColor || "#212121",
+        fontWeight: style?.labelFontWeight || "500",
+        ...(isHorizLabel ? { whiteSpace: "nowrap" as const, display: "flex", alignItems: "center" } : {}),
+        ...(labelPos === "bottom" ? { marginTop: style?.labelMarginBottom || "4px" } : {}),
+      }}
+    >
+      {labelText}
+      {((component as any).required || (component as any).componentConfig?.required) && (
+        <span className="ml-1 text-destructive">*</span>
+      )}
+    </label>
+  ) : null;
+
+  const componentToRender = needsExternalLabel
+    ? { ...splitAdjustedComponent, style: { ...splitAdjustedComponent.style, labelDisplay: false } }
+    : splitAdjustedComponent;
+
   return (
     <>
       <div ref={elRef} id={`interactive-${component.id}`} className="absolute" style={componentStyle}>
-        {renderInteractiveWidget(splitAdjustedComponent)}
+        {needsExternalLabel ? (
+          <div
+            style={{
+              display: "flex",
+              flexDirection: isHorizLabel ? (labelPos === "left" ? "row" : "row-reverse") : "column-reverse",
+              alignItems: isHorizLabel ? "center" : undefined,
+              gap: isHorizLabel ? labelGapValue : undefined,
+              width: "100%",
+              height: "100%",
+            }}
+          >
+            {externalLabelComponent}
+            <div style={{ flex: 1, minWidth: 0, height: isHorizLabel ? "100%" : undefined }}>
+              {renderInteractiveWidget(componentToRender)}
+            </div>
+          </div>
+        ) : (
+          renderInteractiveWidget(componentToRender)
+        )}
       </div>
 
       {/* 팝업 화면 렌더링 */}
diff --git a/frontend/components/screen/panels/V2PropertiesPanel.tsx b/frontend/components/screen/panels/V2PropertiesPanel.tsx
index 2999ed74..cbec1242 100644
--- a/frontend/components/screen/panels/V2PropertiesPanel.tsx
+++ b/frontend/components/screen/panels/V2PropertiesPanel.tsx
@@ -839,6 +839,44 @@ export const V2PropertiesPanel: React.FC<V2PropertiesPanelProps> = ({
                   className="h-6 w-full px-2 py-0 text-xs"
                 />
               </div>
+              <div className="grid grid-cols-2 gap-2">
+                <div className="space-y-1">
+                  <Label className="text-xs">위치</Label>
+                  <Select
+                    value={selectedComponent.style?.labelPosition || "top"}
+                    onValueChange={(value) => handleUpdate("style.labelPosition", value)}
+                  >
+                    <SelectTrigger className="h-6 text-xs">
+                      <SelectValue />
+                    </SelectTrigger>
+                    <SelectContent>
+                      <SelectItem value="top">위</SelectItem>
+                      <SelectItem value="bottom">아래</SelectItem>
+                      <SelectItem value="left">왼쪽</SelectItem>
+                      <SelectItem value="right">오른쪽</SelectItem>
+                    </SelectContent>
+                  </Select>
+                </div>
+                <div className="space-y-1">
+                  <Label className="text-xs">간격</Label>
+                  <Input
+                    value={
+                      (selectedComponent.style?.labelPosition === "left" || selectedComponent.style?.labelPosition === "right")
+                        ? (selectedComponent.style?.labelGap || "8px")
+                        : (selectedComponent.style?.labelMarginBottom || "4px")
+                    }
+                    onChange={(e) => {
+                      const pos = selectedComponent.style?.labelPosition;
+                      if (pos === "left" || pos === "right") {
+                        handleUpdate("style.labelGap", e.target.value);
+                      } else {
+                        handleUpdate("style.labelMarginBottom", e.target.value);
+                      }
+                    }}
+                    className="h-6 w-full px-2 py-0 text-xs"
+                  />
+                </div>
+              </div>
               <div className="grid grid-cols-2 gap-2">
                 <div className="space-y-1">
                   <Label className="text-xs">크기</Label>
@@ -860,12 +898,21 @@ export const V2PropertiesPanel: React.FC<V2PropertiesPanelProps> = ({
               </div>
               <div className="grid grid-cols-2 gap-2">
                 <div className="space-y-1">
-                  <Label className="text-xs">여백</Label>
-                  <Input
-                    value={selectedComponent.style?.labelMarginBottom || "4px"}
-                    onChange={(e) => handleUpdate("style.labelMarginBottom", e.target.value)}
-                    className="h-6 w-full px-2 py-0 text-xs"
-                  />
+                  <Label className="text-xs">굵기</Label>
+                  <Select
+                    value={selectedComponent.style?.labelFontWeight || "500"}
+                    onValueChange={(value) => handleUpdate("style.labelFontWeight", value)}
+                  >
+                    <SelectTrigger className="h-6 text-xs">
+                      <SelectValue />
+                    </SelectTrigger>
+                    <SelectContent>
+                      <SelectItem value="400">보통</SelectItem>
+                      <SelectItem value="500">중간</SelectItem>
+                      <SelectItem value="600">굵게</SelectItem>
+                      <SelectItem value="700">매우 굵게</SelectItem>
+                    </SelectContent>
+                  </Select>
                 </div>
                 <div className="flex items-center space-x-2 pt-5">
                   <Checkbox
diff --git a/frontend/components/v2/V2Date.tsx b/frontend/components/v2/V2Date.tsx
index 91a4cf5d..b5045a31 100644
--- a/frontend/components/v2/V2Date.tsx
+++ b/frontend/components/v2/V2Date.tsx
@@ -466,10 +466,56 @@ export const V2Date = forwardRef<HTMLDivElement, V2DateProps>((props, ref) => {
   const componentWidth = size?.width || style?.width;
   const componentHeight = size?.height || style?.height;
 
-  // 라벨 높이 계산 (기본 20px, 사용자 설정에 따라 조정)
+  // 라벨 위치 및 높이 계산
+  const labelPos = style?.labelPosition || "top";
+  const isHorizLabel = labelPos === "left" || labelPos === "right";
   const labelFontSize = style?.labelFontSize ? parseInt(String(style.labelFontSize)) : 14;
   const labelMarginBottom = style?.labelMarginBottom ? parseInt(String(style.labelMarginBottom)) : 4;
   const estimatedLabelHeight = labelFontSize + labelMarginBottom + 2;
+  const labelGapValue = style?.labelGap || "8px";
+
+  const labelElement = showLabel ? (
+    <Label
+      htmlFor={id}
+      style={{
+        ...(labelPos === "top" ? { position: "absolute" as const, top: `-${estimatedLabelHeight}px`, left: 0 } : {}),
+        ...(labelPos === "bottom" ? { position: "absolute" as const, bottom: `-${estimatedLabelHeight}px`, left: 0 } : {}),
+        fontSize: style?.labelFontSize || "14px",
+        color: style?.labelColor || "#64748b",
+        fontWeight: style?.labelFontWeight || "500",
+      }}
+      className="text-sm font-medium whitespace-nowrap"
+    >
+      {label}
+      {required && <span className="ml-0.5 text-orange-500">*</span>}
+    </Label>
+  ) : null;
+
+  const dateContent = (
+    <div className={isHorizLabel ? "min-w-0 flex-1" : "h-full w-full"} style={isHorizLabel ? { height: "100%" } : undefined}>
+      {renderDatePicker()}
+    </div>
+  );
+
+  if (isHorizLabel && showLabel) {
+    return (
+      <div
+        ref={ref}
+        id={id}
+        style={{
+          width: componentWidth,
+          height: componentHeight,
+          display: "flex",
+          flexDirection: labelPos === "left" ? "row" : "row-reverse",
+          alignItems: "center",
+          gap: labelGapValue,
+        }}
+      >
+        {labelElement}
+        {dateContent}
+      </div>
+    );
+  }
 
   return (
     <div
@@ -481,27 +527,8 @@ export const V2Date = forwardRef<HTMLDivElement, V2DateProps>((props, ref) => {
         height: componentHeight,
       }}
     >
-      {/* 🔧 라벨을 absolute로 컴포넌트 위에 배치 */}
-      {showLabel && (
-        <Label
-          htmlFor={id}
-          style={{
-            position: "absolute",
-            top: `-${estimatedLabelHeight}px`,
-            left: 0,
-            fontSize: style?.labelFontSize || "14px",
-            color: style?.labelColor || "#64748b",
-            fontWeight: style?.labelFontWeight || "500",
-          }}
-          className="text-sm font-medium whitespace-nowrap"
-        >
-          {label}
-          {required && <span className="ml-0.5 text-orange-500">*</span>}
-        </Label>
-      )}
-      <div className="h-full w-full">
-        {renderDatePicker()}
-      </div>
+      {labelElement}
+      {dateContent}
     </div>
   );
 });
diff --git a/frontend/components/v2/V2Input.tsx b/frontend/components/v2/V2Input.tsx
index 09a43ca9..d76802e8 100644
--- a/frontend/components/v2/V2Input.tsx
+++ b/frontend/components/v2/V2Input.tsx
@@ -961,36 +961,83 @@ export const V2Input = forwardRef<HTMLDivElement, V2InputProps>((props, ref) =>
     }
   };
 
-  // 라벨이 표시될 때 입력 필드가 차지할 높이 계산
-  // 🔧 label prop이 없어도 style.labelText에서 가져올 수 있도록 수정
   const actualLabel = label || style?.labelText;
   const showLabel = actualLabel && style?.labelDisplay === true;
-  // size에서 우선 가져오고, 없으면 style에서 가져옴
   const componentWidth = size?.width || style?.width;
   const componentHeight = size?.height || style?.height;
 
-  // 라벨 높이 계산 (기본 20px, 사용자 설정에 따라 조정)
+  // 라벨 위치 및 높이 계산
+  const labelPos = style?.labelPosition || "top";
+  const isHorizLabel = labelPos === "left" || labelPos === "right";
   const labelFontSize = style?.labelFontSize ? parseInt(String(style.labelFontSize)) : 14;
   const labelMarginBottom = style?.labelMarginBottom ? parseInt(String(style.labelMarginBottom)) : 4;
-  const estimatedLabelHeight = labelFontSize + labelMarginBottom + 2; // 라벨 높이 + 여백
+  const estimatedLabelHeight = labelFontSize + labelMarginBottom + 2;
+  const labelGapValue = style?.labelGap || "8px";
 
-  // 🔧 커스텀 스타일 감지 (StyleEditor에서 설정한 테두리/배경/텍스트 스타일)
-  // RealtimePreview 래퍼가 외부 div에 스타일을 적용하지만,
-  // 내부 input/textarea가 자체 Tailwind 테두리를 가지므로 이를 제거하여 외부 스타일이 보이도록 함
+  // 커스텀 스타일 감지
   const hasCustomBorder = !!(style?.borderWidth || style?.borderColor || style?.borderStyle || style?.border);
   const hasCustomBackground = !!style?.backgroundColor;
   const hasCustomRadius = !!style?.borderRadius;
 
-  // 텍스트 스타일 오버라이드 (내부 input/textarea에 직접 전달)
   const customTextStyle: React.CSSProperties = {};
   if (style?.color) customTextStyle.color = style.color;
   if (style?.fontSize) customTextStyle.fontSize = style.fontSize;
   if (style?.fontWeight) customTextStyle.fontWeight = style.fontWeight;
   if (style?.textAlign) customTextStyle.textAlign = style.textAlign as React.CSSProperties["textAlign"];
   const hasCustomText = Object.keys(customTextStyle).length > 0;
-  // 내부 input에 직접 적용할 텍스트 스타일 (fontSize, color, fontWeight, textAlign)
   const inputTextStyle: React.CSSProperties | undefined = hasCustomText ? customTextStyle : undefined;
 
+  const labelElement = showLabel ? (
+    <Label
+      htmlFor={id}
+      style={{
+        ...(labelPos === "top" ? { position: "absolute" as const, top: `-${estimatedLabelHeight}px`, left: 0 } : {}),
+        ...(labelPos === "bottom" ? { position: "absolute" as const, bottom: `-${estimatedLabelHeight}px`, left: 0 } : {}),
+        fontSize: style?.labelFontSize || "14px",
+        color: style?.labelColor || "#64748b",
+        fontWeight: style?.labelFontWeight || "500",
+      }}
+      className="text-sm font-medium whitespace-nowrap"
+    >
+      {actualLabel}
+      {required && <span className="ml-0.5 text-orange-500">*</span>}
+    </Label>
+  ) : null;
+
+  const inputContent = (
+    <div
+      className={cn(
+        isHorizLabel ? "min-w-0 flex-1" : "h-full w-full",
+        hasCustomBorder && "[&_input]:border-0! [&_textarea]:border-0! [&_.border]:border-0!",
+        (hasCustomBorder || hasCustomRadius) && "[&_input]:rounded-none! [&_textarea]:rounded-none! [&_.rounded-md]:rounded-none!",
+        hasCustomBackground && "[&_input]:bg-transparent! [&_textarea]:bg-transparent!",
+      )}
+      style={{ ...(hasCustomText ? customTextStyle : {}), ...(isHorizLabel ? { height: "100%" } : {}) }}
+    >
+      {renderInput()}
+    </div>
+  );
+
+  if (isHorizLabel && showLabel) {
+    return (
+      <div
+        ref={ref}
+        id={id}
+        style={{
+          width: componentWidth,
+          height: componentHeight,
+          display: "flex",
+          flexDirection: labelPos === "left" ? "row" : "row-reverse",
+          alignItems: "center",
+          gap: labelGapValue,
+        }}
+      >
+        {labelElement}
+        {inputContent}
+      </div>
+    );
+  }
+
   return (
     <div
       ref={ref}
@@ -1001,38 +1048,8 @@ export const V2Input = forwardRef<HTMLDivElement, V2InputProps>((props, ref) =>
         height: componentHeight,
       }}
     >
-      {/* 🔧 라벨을 absolute로 컴포넌트 위에 배치 (높이에 포함되지 않음) */}
-      {showLabel && (
-        <Label
-          htmlFor={id}
-          style={{
-            position: "absolute",
-            top: `-${estimatedLabelHeight}px`,
-            left: 0,
-            fontSize: style?.labelFontSize || "14px",
-            color: style?.labelColor || "#64748b",
-            fontWeight: style?.labelFontWeight || "500",
-          }}
-          className="text-sm font-medium whitespace-nowrap"
-        >
-          {actualLabel}
-          {required && <span className="ml-0.5 text-orange-500">*</span>}
-        </Label>
-      )}
-      <div
-        className={cn(
-          "h-full w-full",
-          // 커스텀 테두리 설정 시, 내부 input/textarea의 기본 테두리 제거 (외부 래퍼 스타일이 보이도록)
-          hasCustomBorder && "[&_input]:border-0! [&_textarea]:border-0! [&_.border]:border-0!",
-          // 커스텀 모서리 설정 시, 내부 요소의 기본 모서리 제거 (외부 래퍼가 처리)
-          (hasCustomBorder || hasCustomRadius) && "[&_input]:rounded-none! [&_textarea]:rounded-none! [&_.rounded-md]:rounded-none!",
-          // 커스텀 배경 설정 시, 내부 input을 투명하게 (외부 배경이 보이도록)
-          hasCustomBackground && "[&_input]:bg-transparent! [&_textarea]:bg-transparent!",
-        )}
-        style={hasCustomText ? customTextStyle : undefined}
-      >
-        {renderInput()}
-      </div>
+      {labelElement}
+      {inputContent}
     </div>
   );
 });
diff --git a/frontend/components/v2/V2Select.tsx b/frontend/components/v2/V2Select.tsx
index fe21b790..bd81c3ca 100644
--- a/frontend/components/v2/V2Select.tsx
+++ b/frontend/components/v2/V2Select.tsx
@@ -1041,17 +1041,19 @@ export const V2Select = forwardRef<HTMLDivElement, V2SelectProps>(
     const componentWidth = size?.width || style?.width;
     const componentHeight = size?.height || style?.height;
 
-    // 라벨 높이 계산 (기본 20px, 사용자 설정에 따라 조정)
+    // 라벨 위치 및 높이 계산
+    const labelPos = style?.labelPosition || "top";
+    const isHorizLabel = labelPos === "left" || labelPos === "right";
     const labelFontSize = style?.labelFontSize ? parseInt(String(style.labelFontSize)) : 14;
     const labelMarginBottom = style?.labelMarginBottom ? parseInt(String(style.labelMarginBottom)) : 4;
     const estimatedLabelHeight = labelFontSize + labelMarginBottom + 2;
+    const labelGapValue = style?.labelGap || "8px";
 
-    // 🔧 커스텀 스타일 감지 (StyleEditor에서 설정한 테두리/배경/텍스트 스타일)
+    // 커스텀 스타일 감지
     const hasCustomBorder = !!(style?.borderWidth || style?.borderColor || style?.borderStyle || style?.border);
     const hasCustomBackground = !!style?.backgroundColor;
     const hasCustomRadius = !!style?.borderRadius;
 
-    // 텍스트 스타일 오버라이드 (CSS 상속)
     const customTextStyle: React.CSSProperties = {};
     if (style?.color) customTextStyle.color = style.color;
     if (style?.fontSize) customTextStyle.fontSize = style.fontSize;
@@ -1059,6 +1061,58 @@ export const V2Select = forwardRef<HTMLDivElement, V2SelectProps>(
     if (style?.textAlign) customTextStyle.textAlign = style.textAlign as React.CSSProperties["textAlign"];
     const hasCustomText = Object.keys(customTextStyle).length > 0;
 
+    const labelElement = showLabel ? (
+      <Label
+        htmlFor={id}
+        style={{
+          ...(labelPos === "top" ? { position: "absolute" as const, top: `-${estimatedLabelHeight}px`, left: 0 } : {}),
+          ...(labelPos === "bottom" ? { position: "absolute" as const, bottom: `-${estimatedLabelHeight}px`, left: 0 } : {}),
+          fontSize: style?.labelFontSize || "14px",
+          color: style?.labelColor || "#64748b",
+          fontWeight: style?.labelFontWeight || "500",
+        }}
+        className="text-sm font-medium whitespace-nowrap"
+      >
+        {label}
+        {required && <span className="text-orange-500 ml-0.5">*</span>}
+      </Label>
+    ) : null;
+
+    const selectContent = (
+      <div
+        className={cn(
+          isHorizLabel ? "min-w-0 flex-1" : "h-full w-full",
+          hasCustomBorder && "[&_button]:border-0! **:data-[slot=select-trigger]:border-0! [&_.border]:border-0!",
+          (hasCustomBorder || hasCustomRadius) && "[&_button]:rounded-none! **:data-[slot=select-trigger]:rounded-none! [&_.rounded-md]:rounded-none!",
+          hasCustomBackground && "[&_button]:bg-transparent! **:data-[slot=select-trigger]:bg-transparent!",
+        )}
+        style={{ ...(hasCustomText ? customTextStyle : {}), ...(isHorizLabel ? { height: "100%" } : {}) }}
+      >
+        {renderSelect()}
+      </div>
+    );
+
+    if (isHorizLabel && showLabel) {
+      return (
+        <div
+          ref={ref}
+          id={id}
+          className={cn(isDesignMode && "pointer-events-none")}
+          style={{
+            width: componentWidth,
+            height: componentHeight,
+            display: "flex",
+            flexDirection: labelPos === "left" ? "row" : "row-reverse",
+            alignItems: "center",
+            gap: labelGapValue,
+          }}
+        >
+          {labelElement}
+          {selectContent}
+        </div>
+      );
+    }
+
     return (
       <div
         ref={ref}
@@ -1069,38 +1123,8 @@ export const V2Select = forwardRef<HTMLDivElement, V2SelectProps>(
           height: componentHeight,
         }}
       >
-        {/* 🔧 라벨을 absolute로 컴포넌트 위에 배치 */}
-        {showLabel && (
-          <Label
-            htmlFor={id}
-            style={{
-              position: "absolute",
-              top: `-${estimatedLabelHeight}px`,
-              left: 0,
-              fontSize: style?.labelFontSize || "14px",
-              color: style?.labelColor || "#64748b",
-              fontWeight: style?.labelFontWeight || "500",
-            }}
-            className="text-sm font-medium whitespace-nowrap"
-          >
-            {label}
-            {required && <span className="text-orange-500 ml-0.5">*</span>}
-          </Label>
-        )}
-        <div
-          className={cn(
-            "h-full w-full",
-            // 커스텀 테두리 설정 시, 내부 select trigger의 기본 테두리 제거
-            hasCustomBorder && "[&_button]:border-0! **:data-[slot=select-trigger]:border-0! [&_.border]:border-0!",
-            // 커스텀 모서리 설정 시, 내부 요소의 기본 모서리 제거
-            (hasCustomBorder || hasCustomRadius) && "[&_button]:rounded-none! **:data-[slot=select-trigger]:rounded-none! [&_.rounded-md]:rounded-none!",
-            // 커스텀 배경 설정 시, 내부 요소를 투명하게
-            hasCustomBackground && "[&_button]:bg-transparent! **:data-[slot=select-trigger]:bg-transparent!",
-          )}
-          style={hasCustomText ? customTextStyle : undefined}
-        >
-          {renderSelect()}
-        </div>
+        {labelElement}
+        {selectContent}
       </div>
     );
   }
diff --git a/frontend/lib/registry/components/v2-bom-tree/BomDetailEditModal.tsx b/frontend/lib/registry/components/v2-bom-tree/BomDetailEditModal.tsx
index 6b5d4a40..399a1801 100644
--- a/frontend/lib/registry/components/v2-bom-tree/BomDetailEditModal.tsx
+++ b/frontend/lib/registry/components/v2-bom-tree/BomDetailEditModal.tsx
@@ -68,9 +68,7 @@ export function BomDetailEditModal({
       } else {
         setFormData({
           quantity: node.quantity || "",
-          unit: node.unit || node.detail_unit || "",
           process_type: node.process_type || "",
-          base_qty: node.base_qty || "",
           loss_rate: node.loss_rate || "",
           remark: node.remark || "",
         });
@@ -151,11 +149,19 @@ export function BomDetailEditModal({
             </div>
             <div>
               <Label className="text-xs sm:text-sm">단위</Label>
-              <Input
-                value={formData.unit}
-                onChange={(e) => handleChange("unit", e.target.value)}
-                className="mt-1 h-8 text-xs sm:h-10 sm:text-sm"
-              />
+              {isRootNode ? (
+                <Input
+                  value={formData.unit}
+                  onChange={(e) => handleChange("unit", e.target.value)}
+                  className="mt-1 h-8 text-xs sm:h-10 sm:text-sm"
+                />
+              ) : (
+                <Input
+                  value={node?.child_unit || node?.unit || "-"}
+                  disabled
+                  className="mt-1 h-8 text-xs sm:h-10 sm:text-sm"
+                />
+              )}
             </div>
           </div>
 
diff --git a/frontend/lib/registry/components/v2-bom-tree/BomTreeComponent.tsx b/frontend/lib/registry/components/v2-bom-tree/BomTreeComponent.tsx
index 5234a74d..fd1e24aa 100644
--- a/frontend/lib/registry/components/v2-bom-tree/BomTreeComponent.tsx
+++ b/frontend/lib/registry/components/v2-bom-tree/BomTreeComponent.tsx
@@ -291,6 +291,7 @@ export function BomTreeComponent({
           item_name: raw.item_name || "",
           item_code: raw.item_number || raw.item_code || "",
           item_type: raw.item_type || raw.division || "",
+          unit: raw.unit || raw.item_unit || "",
         } as BomHeaderInfo;
       }
     } catch (e) {
@@ -376,6 +377,18 @@ export function BomTreeComponent({
           detail.editData[key] = (headerInfo as any)[key];
         }
       });
+
+      // entity join된 필드를 dot notation으로도 매핑 (item_info.xxx 형식)
+      const h = headerInfo as Record<string, any>;
+      if (h.item_name) detail.editData["item_info.item_name"] = h.item_name;
+      if (h.item_type) detail.editData["item_info.division"] = h.item_type;
+      if (h.item_code || h.item_number) detail.editData["item_info.item_number"] = h.item_code || h.item_number;
+      if (h.unit) detail.editData["item_info.unit"] = h.unit;
+      // entity join alias 형식도 매핑
+      if (h.item_name) detail.editData["item_id_item_name"] = h.item_name;
+      if (h.item_type) detail.editData["item_id_division"] = h.item_type;
+      if (h.item_code || h.item_number) detail.editData["item_id_item_number"] = h.item_code || h.item_number;
+      if (h.unit) detail.editData["item_id_unit"] = h.unit;
     };
     // capture: true → EditModal 리스너(bubble)보다 반드시 먼저 실행
     window.addEventListener("openEditModal", handler, true);
diff --git a/frontend/types/v2-core.ts b/frontend/types/v2-core.ts
index b3cbc1cd..e8edc09b 100644
--- a/frontend/types/v2-core.ts
+++ b/frontend/types/v2-core.ts
@@ -153,10 +153,12 @@ export interface CommonStyle {
   // 라벨 스타일
   labelDisplay?: boolean; // 라벨 표시 여부
   labelText?: string; // 라벨 텍스트
+  labelPosition?: "top" | "left" | "right" | "bottom"; // 라벨 위치 (기본: top)
   labelFontSize?: string;
   labelColor?: string;
   labelFontWeight?: string;
   labelMarginBottom?: string;
+  labelGap?: string; // 라벨-위젯 간격 (좌/우 배치 시 사용)
 
   // 레이아웃
   display?: string;