diff --git a/app/Services/MenuBootstrapService.php b/app/Services/MenuBootstrapService.php
index 6ecafa0..5348439 100644
--- a/app/Services/MenuBootstrapService.php
+++ b/app/Services/MenuBootstrapService.php
@@ -11,11 +11,58 @@
 class MenuBootstrapService
 {
     /**
-     * 테넌트를 위한 기본 메뉴 구조 생성
+     * 글로벌 메뉴 템플릿을 테넌트에 복제
      *
      * @param  int  $tenantId  테넌트 ID
      * @return array 생성된 메뉴 ID 목록
      */
+    public static function cloneGlobalMenusForTenant(int $tenantId): array
+    {
+        return DB::transaction(function () use ($tenantId) {
+            // 1. 글로벌 템플릿 메뉴 조회 (parent_id 순서대로 정렬)
+            $templateMenus = Menu::withoutGlobalScopes()
+                ->whereNull('tenant_id')
+                ->orderByRaw('COALESCE(parent_id, 0)')
+                ->orderBy('sort_order')
+                ->get();
+
+            // 2. parent_id 매핑 테이블 생성
+            $idMapping = [];
+            $menuIds = [];
+
+            // 3. 계층 순서대로 복제 (parent → child)
+            foreach ($templateMenus as $template) {
+                $newMenu = Menu::create([
+                    'tenant_id' => $tenantId,
+                    'parent_id' => $template->parent_id
+                        ? ($idMapping[$template->parent_id] ?? null)
+                        : null,
+                    'name' => $template->name,
+                    'url' => $template->url,
+                    'icon' => $template->icon,
+                    'sort_order' => $template->sort_order,
+                    'is_active' => $template->is_active,
+                    'hidden' => $template->hidden,
+                    'is_external' => $template->is_external,
+                    'external_url' => $template->external_url,
+                ]);
+
+                // 4. ID 매핑 저장
+                $idMapping[$template->id] = $newMenu->id;
+                $menuIds[] = $newMenu->id;
+            }
+
+            return $menuIds;
+        });
+    }
+
+    /**
+     * 테넌트를 위한 기본 메뉴 구조 생성 (구버전 - 하위 호환성 유지)
+     *
+     * @deprecated Use cloneGlobalMenusForTenant() instead
+     * @param  int  $tenantId  테넌트 ID
+     * @return array 생성된 메뉴 ID 목록
+     */
     public static function createDefaultMenus(int $tenantId): array
     {
         return DB::transaction(function () use ($tenantId) {
diff --git a/app/Services/RegisterService.php b/app/Services/RegisterService.php
index 9c21e36..60516ad 100644
--- a/app/Services/RegisterService.php
+++ b/app/Services/RegisterService.php
@@ -51,8 +51,8 @@ public static function register(array $params): array
                 ],
             ]);
 
-            // 3. Create default menus for tenant
-            $menuIds = MenuBootstrapService::createDefaultMenus($tenant->id);
+            // 3. Clone global menu template for tenant
+            $menuIds = MenuBootstrapService::cloneGlobalMenusForTenant($tenant->id);
 
             // 4. Create User with hashed password and options
             $user = User::create([
diff --git a/database/seeders/DatabaseSeeder.php b/database/seeders/DatabaseSeeder.php
index 9a05b4d..0a85d1a 100644
--- a/database/seeders/DatabaseSeeder.php
+++ b/database/seeders/DatabaseSeeder.php
@@ -20,5 +20,10 @@ public function run(): void
             'name' => 'Test User',
             'email' => 'test@example.com',
         ]);
+
+        // 글로벌 메뉴 템플릿 시딩
+        $this->call([
+            GlobalMenuTemplateSeeder::class,
+        ]);
     }
 }
diff --git a/database/seeders/GlobalMenuTemplateSeeder.php b/database/seeders/GlobalMenuTemplateSeeder.php
new file mode 100644
index 0000000..fed8294
--- /dev/null
+++ b/database/seeders/GlobalMenuTemplateSeeder.php
@@ -0,0 +1,271 @@
+<?php
+
+namespace Database\Seeders;
+
+use App\Models\Commons\Menu;
+use Illuminate\Database\Seeder;
+use Illuminate\Support\Facades\DB;
+
+class GlobalMenuTemplateSeeder extends Seeder
+{
+    /**
+     * 글로벌 메뉴 템플릿 시딩 (tenant_id = NULL)
+     * mes_react App.tsx의 SystemAdmin 메뉴 구조 기반
+     */
+    public function run(): void
+    {
+        DB::transaction(function () {
+            // 아이콘 매핑 (React icon → 문자열 표현)
+            $iconMap = [
+                'LayoutDashboard' => 'layout-dashboard',
+                'Users' => 'users',
+                'Sliders' => 'sliders',
+                'Database' => 'database',
+                'Box' => 'box',
+                'Archive' => 'archive',
+                'Wrench' => 'wrench',
+                'Building' => 'building',
+                'User' => 'user',
+                'ClipboardCheck' => 'clipboard-check',
+                'Code' => 'code',
+                'Calculator' => 'calculator',
+                'Palette' => 'palette',
+                'TrendingUp' => 'trending-up',
+                'Building2' => 'building-2',
+                'BarChart3' => 'bar-chart-3',
+                'Briefcase' => 'briefcase',
+                'ShoppingCart' => 'shopping-cart',
+                'MapPin' => 'map-pin',
+                'DollarSign' => 'dollar-sign',
+                'FileText' => 'file-text',
+                'Factory' => 'factory',
+                'Package' => 'package',
+                'CheckSquare' => 'check-square',
+                'CheckCircle' => 'check-circle',
+                'Warehouse' => 'warehouse',
+                'Layers' => 'layers',
+                'Truck' => 'truck',
+                'XCircle' => 'x-circle',
+                'Car' => 'car',
+                'Shield' => 'shield',
+                'Settings' => 'settings',
+                'Activity' => 'activity',
+                'Server' => 'server',
+            ];
+
+            // SystemAdmin 메뉴 구조 정의
+            $menus = [
+                [
+                    'name' => '시스템 대시보드',
+                    'url' => '/dashboard',
+                    'icon' => $iconMap['LayoutDashboard'],
+                    'sort_order' => 1,
+                ],
+                [
+                    'name' => '사용자 관리',
+                    'url' => '/users',
+                    'icon' => $iconMap['Users'],
+                    'sort_order' => 2,
+                ],
+                [
+                    'name' => '메뉴 커스터마이징',
+                    'url' => '/menu-customization',
+                    'icon' => $iconMap['Sliders'],
+                    'sort_order' => 3,
+                ],
+                [
+                    'name' => '기준정보 관리',
+                    'url' => '/master-data',
+                    'icon' => $iconMap['Database'],
+                    'sort_order' => 4,
+                    'children' => [
+                        ['name' => '모델관리', 'url' => '/master-data/models-management', 'icon' => $iconMap['Box']],
+                        ['name' => '자재관리', 'url' => '/master-data/items-management', 'icon' => $iconMap['Archive']],
+                        ['name' => '품목기준관리', 'url' => '/master-data/item-master-data-management', 'icon' => $iconMap['Database']],
+                        ['name' => '공정관리', 'url' => '/master-data/process-management', 'icon' => $iconMap['Wrench']],
+                        ['name' => '거래처관리', 'url' => '/master-data/customer-management', 'icon' => $iconMap['Building']],
+                        ['name' => '사원관리', 'url' => '/master-data/employee-management', 'icon' => $iconMap['User']],
+                        ['name' => '부서관리', 'url' => '/master-data/department-management', 'icon' => $iconMap['Building']],
+                        ['name' => '검사기준관리', 'url' => '/master-data/inspection-standard', 'icon' => $iconMap['ClipboardCheck']],
+                        ['name' => '코드관리', 'url' => '/master-data/code-management', 'icon' => $iconMap['Code']],
+                        ['name' => '견적수식관리', 'url' => '/master-data/formula-management', 'icon' => $iconMap['Calculator']],
+                        ['name' => '디자인시스템', 'url' => '/master-data/design-system', 'icon' => $iconMap['Palette']],
+                    ],
+                ],
+                [
+                    'name' => '영업관리',
+                    'url' => '/sales-dept',
+                    'icon' => $iconMap['TrendingUp'],
+                    'sort_order' => 5,
+                    'children' => [
+                        ['name' => '리드관리', 'url' => '/sales-dept/sales-leads', 'icon' => $iconMap['Users']],
+                        ['name' => '매출처관리', 'url' => '/sales-dept/customer-account-management', 'icon' => $iconMap['Building2']],
+                        ['name' => '영업실적', 'url' => '/sales-dept/sales-performance', 'icon' => $iconMap['BarChart3']],
+                    ],
+                ],
+                [
+                    'name' => '판매관리',
+                    'url' => '/sales',
+                    'icon' => $iconMap['Briefcase'],
+                    'sort_order' => 6,
+                    'children' => [
+                        ['name' => '거래처관리', 'url' => '/sales/client-management-sales-admin', 'icon' => $iconMap['Building2']],
+                        ['name' => '견적관리', 'url' => '/sales/quote-management', 'icon' => $iconMap['Calculator']],
+                        ['name' => '수주관리', 'url' => '/sales/order-management-sales', 'icon' => $iconMap['ShoppingCart']],
+                        ['name' => '현장관리', 'url' => '/sales/site-management', 'icon' => $iconMap['MapPin']],
+                        ['name' => '단가관리', 'url' => '/sales/pricing-management', 'icon' => $iconMap['DollarSign']],
+                    ],
+                ],
+                [
+                    'name' => '구매관리',
+                    'url' => '/purchase',
+                    'icon' => $iconMap['ShoppingCart'],
+                    'sort_order' => 7,
+                    'children' => [
+                        ['name' => '거래처관리', 'url' => '/purchase/supplier-management', 'icon' => $iconMap['Building2']],
+                        ['name' => '발주관리', 'url' => '/purchase/purchase-order', 'icon' => $iconMap['FileText']],
+                        ['name' => '구매현황', 'url' => '/purchase/purchase-status', 'icon' => $iconMap['BarChart3']],
+                    ],
+                ],
+                [
+                    'name' => '생산관리',
+                    'url' => '/production',
+                    'icon' => $iconMap['Factory'],
+                    'sort_order' => 8,
+                    'children' => [
+                        ['name' => '스크린 생산', 'url' => '/production/screen-production', 'icon' => $iconMap['Package']],
+                        ['name' => '슬랫 생산', 'url' => '/production/slat-production', 'icon' => $iconMap['Package']],
+                        ['name' => '절곡 생산', 'url' => '/production/bending-production', 'icon' => $iconMap['Package']],
+                        ['name' => '재고 생산', 'url' => '/production/stock-production', 'icon' => $iconMap['Package']],
+                    ],
+                ],
+                [
+                    'name' => '품질관리',
+                    'url' => '/quality',
+                    'icon' => $iconMap['ClipboardCheck'],
+                    'sort_order' => 9,
+                    'children' => [
+                        ['name' => '수입검사', 'url' => '/quality/incoming-inspection', 'icon' => $iconMap['CheckSquare']],
+                        ['name' => '중간검사', 'url' => '/quality/process-inspection', 'icon' => $iconMap['ClipboardCheck']],
+                        ['name' => '제품검사', 'url' => '/quality/final-inspection', 'icon' => $iconMap['CheckCircle']],
+                        ['name' => '품목별 검사', 'url' => '/quality/quality-item-inspection', 'icon' => $iconMap['Package']],
+                        ['name' => '품목별 검사 (고급)', 'url' => '/quality/quality-item-inspection-enhanced', 'icon' => $iconMap['BarChart3']],
+                    ],
+                ],
+                [
+                    'name' => '자재관리',
+                    'url' => '/material',
+                    'icon' => $iconMap['Warehouse'],
+                    'sort_order' => 10,
+                    'children' => [
+                        ['name' => '재고현황', 'url' => '/material/stock-status', 'icon' => $iconMap['Layers']],
+                        ['name' => '입고관리', 'url' => '/material/receiving-management', 'icon' => $iconMap['Package']],
+                        ['name' => '출고관리', 'url' => '/material/shipping-management', 'icon' => $iconMap['Truck']],
+                        ['name' => '부적합품관리', 'url' => '/material/nonconforming-management', 'icon' => $iconMap['XCircle']],
+                    ],
+                ],
+                [
+                    'name' => '장비관리',
+                    'url' => '/equipment',
+                    'icon' => $iconMap['Wrench'],
+                    'sort_order' => 11,
+                    'children' => [
+                        ['name' => '설비관리', 'url' => '/equipment/equipment-management', 'icon' => $iconMap['Wrench']],
+                    ],
+                ],
+                [
+                    'name' => '차량관리',
+                    'url' => '/vehicle',
+                    'icon' => $iconMap['Truck'],
+                    'sort_order' => 12,
+                    'children' => [
+                        ['name' => '차량관리', 'url' => '/vehicle/vehicle-management', 'icon' => $iconMap['Car']],
+                    ],
+                ],
+                [
+                    'name' => '회계관리',
+                    'url' => '/accounting',
+                    'icon' => $iconMap['Calculator'],
+                    'sort_order' => 13,
+                    'children' => [
+                        ['name' => '거래처관리', 'url' => '/accounting/client-management', 'icon' => $iconMap['Building2']],
+                        ['name' => '매출관리', 'url' => '/accounting/sales-accounting', 'icon' => $iconMap['TrendingUp']],
+                        ['name' => '매입관리', 'url' => '/accounting/purchase-accounting', 'icon' => $iconMap['TrendingUp']],
+                        ['name' => '원가관리', 'url' => '/accounting/cost-management', 'icon' => $iconMap['DollarSign']],
+                        ['name' => '재무제표', 'url' => '/accounting/financial-statements', 'icon' => $iconMap['FileText']],
+                    ],
+                ],
+                [
+                    'name' => '권한 관리',
+                    'url' => '/permissions',
+                    'icon' => $iconMap['Shield'],
+                    'sort_order' => 14,
+                ],
+                [
+                    'name' => '시스템 설정',
+                    'url' => '/system',
+                    'icon' => $iconMap['Settings'],
+                    'sort_order' => 15,
+                ],
+                [
+                    'name' => '데이터베이스',
+                    'url' => '/database',
+                    'icon' => $iconMap['Database'],
+                    'sort_order' => 16,
+                ],
+                [
+                    'name' => '시스템 모니터링',
+                    'url' => '/monitoring',
+                    'icon' => $iconMap['Activity'],
+                    'sort_order' => 17,
+                ],
+                [
+                    'name' => '보안 관리',
+                    'url' => '/security',
+                    'icon' => $iconMap['Server'],
+                    'sort_order' => 18,
+                ],
+            ];
+
+            // 메뉴 생성
+            foreach ($menus as $menuData) {
+                $children = $menuData['children'] ?? null;
+                unset($menuData['children']);
+
+                // 최상위 메뉴 생성 (tenant_id = null)
+                $parentMenu = Menu::create([
+                    'tenant_id' => null,
+                    'parent_id' => null,
+                    'name' => $menuData['name'],
+                    'url' => $menuData['url'],
+                    'icon' => $menuData['icon'],
+                    'sort_order' => $menuData['sort_order'],
+                    'is_active' => 1,
+                    'hidden' => 0,
+                    'is_external' => 0,
+                    'external_url' => null,
+                ]);
+
+                // 하위 메뉴 생성
+                if ($children) {
+                    foreach ($children as $index => $childData) {
+                        Menu::create([
+                            'tenant_id' => null,
+                            'parent_id' => $parentMenu->id,
+                            'name' => $childData['name'],
+                            'url' => $childData['url'],
+                            'icon' => $childData['icon'],
+                            'sort_order' => $index + 1,
+                            'is_active' => 1,
+                            'hidden' => 0,
+                            'is_external' => 0,
+                            'external_url' => null,
+                        ]);
+                    }
+                }
+            }
+        });
+
+        $this->command->info('✅ 글로벌 메뉴 템플릿 생성 완료 (약 60개 메뉴 항목)');
+    }
+}
\ No newline at end of file