diff --git a/app/Services/ItemMaster/ItemMasterService.php b/app/Services/ItemMaster/ItemMasterService.php
index b70394f..fbd61c5 100644
--- a/app/Services/ItemMaster/ItemMasterService.php
+++ b/app/Services/ItemMaster/ItemMasterService.php
@@ -18,6 +18,7 @@ class ItemMasterService extends Service
      *
      * - pages (linkedSections 기반 중첩)
      * - sections (모든 독립 섹션)
+     * - fields (모든 독립 필드)
      * - customTabs (columnSetting 포함)
      * - unitOptions
      */
@@ -67,9 +68,15 @@ public function init(): array
         // 5. 단위 옵션
         $unitOptions = UnitOption::where('tenant_id', $tenantId)->get();
 
+        // 6. 모든 필드 목록 (재사용 가능 목록)
+        $fields = ItemField::where('tenant_id', $tenantId)
+            ->orderBy('created_at', 'desc')
+            ->get();
+
         return [
             'pages' => $pagesWithSections,
             'sections' => $sections,
+            'fields' => $fields,
             'customTabs' => $customTabs,
             'unitOptions' => $unitOptions,
         ];
diff --git a/app/Swagger/v1/ItemMasterApi.php b/app/Swagger/v1/ItemMasterApi.php
index 3b7c71f..1cb1d73 100644
--- a/app/Swagger/v1/ItemMasterApi.php
+++ b/app/Swagger/v1/ItemMasterApi.php
@@ -412,6 +412,14 @@
  *   ),
  *
  *   @OA\Property(
+ *     property="fields",
+ *     type="array",
+ *     description="모든 독립 필드 목록 (재사용 가능)",
+ *
+ *     @OA\Items(ref="#/components/schemas/ItemField")
+ *   ),
+ *
+ *   @OA\Property(
  *     property="customTabs",
  *     type="array",
  *