diff --git a/app/Http/Controllers/Api/Admin/EquipmentInspectionController.php b/app/Http/Controllers/Api/Admin/EquipmentInspectionController.php
index 9892db81..c2026c80 100644
--- a/app/Http/Controllers/Api/Admin/EquipmentInspectionController.php
+++ b/app/Http/Controllers/Api/Admin/EquipmentInspectionController.php
@@ -164,6 +164,34 @@ public function updateTemplate(Request $request, int $templateId): JsonResponse
         }
     }
 
+    public function copyTemplates(Request $request, int $equipmentId): JsonResponse
+    {
+        $request->validate([
+            'source_cycle' => 'required|string',
+            'target_cycles' => 'required|array|min:1',
+            'target_cycles.*' => 'required|string',
+        ]);
+
+        try {
+            $result = $this->inspectionService->copyTemplatesToCycles(
+                $equipmentId,
+                $request->input('source_cycle'),
+                $request->input('target_cycles')
+            );
+
+            return response()->json([
+                'success' => true,
+                'message' => "{$result['copied']}개 항목이 복사되었습니다.".($result['skipped'] > 0 ? " (중복 {$result['skipped']}개 건너뜀)" : ''),
+                'data' => $result,
+            ]);
+        } catch (\Exception $e) {
+            return response()->json([
+                'success' => false,
+                'message' => $e->getMessage(),
+            ], 400);
+        }
+    }
+
     public function deleteTemplate(int $templateId): JsonResponse
     {
         try {
diff --git a/app/Services/EquipmentInspectionService.php b/app/Services/EquipmentInspectionService.php
index 6d9869b8..72cd30ed 100644
--- a/app/Services/EquipmentInspectionService.php
+++ b/app/Services/EquipmentInspectionService.php
@@ -200,6 +200,64 @@ public function deleteTemplate(int $id): bool
         return EquipmentInspectionTemplate::findOrFail($id)->delete();
     }
 
+    /**
+     * 점검항목을 다른 주기로 복사
+     */
+    public function copyTemplatesToCycles(int $equipmentId, string $sourceCycle, array $targetCycles): array
+    {
+        $tenantId = session('selected_tenant_id', 1);
+
+        $sourceTemplates = EquipmentInspectionTemplate::where('equipment_id', $equipmentId)
+            ->where('inspection_cycle', $sourceCycle)
+            ->where('is_active', true)
+            ->orderBy('sort_order')
+            ->get();
+
+        if ($sourceTemplates->isEmpty()) {
+            throw new \Exception('복사할 점검항목이 없습니다.');
+        }
+
+        $copiedCount = 0;
+        $skippedCount = 0;
+
+        foreach ($targetCycles as $targetCycle) {
+            foreach ($sourceTemplates as $template) {
+                $exists = EquipmentInspectionTemplate::where('equipment_id', $equipmentId)
+                    ->where('inspection_cycle', $targetCycle)
+                    ->where('item_no', $template->item_no)
+                    ->exists();
+
+                if ($exists) {
+                    $skippedCount++;
+
+                    continue;
+                }
+
+                EquipmentInspectionTemplate::create([
+                    'tenant_id' => $tenantId,
+                    'equipment_id' => $equipmentId,
+                    'inspection_cycle' => $targetCycle,
+                    'item_no' => $template->item_no,
+                    'check_point' => $template->check_point,
+                    'check_item' => $template->check_item,
+                    'check_timing' => $template->check_timing,
+                    'check_frequency' => $template->check_frequency,
+                    'check_method' => $template->check_method,
+                    'sort_order' => $template->sort_order,
+                    'is_active' => true,
+                ]);
+                $copiedCount++;
+            }
+        }
+
+        return [
+            'copied' => $copiedCount,
+            'skipped' => $skippedCount,
+            'source_count' => $sourceTemplates->count(),
+            'target_cycles' => $targetCycles,
+        ];
+    }
+
     /**
      * 설비에 등록된 점검주기 목록 반환 (항목이 있는 주기만)
      */
diff --git a/resources/views/equipment/partials/tabs/inspection-items.blade.php b/resources/views/equipment/partials/tabs/inspection-items.blade.php
index 3ec95ae2..b3362b16 100644
--- a/resources/views/equipment/partials/tabs/inspection-items.blade.php
+++ b/resources/views/equipment/partials/tabs/inspection-items.blade.php
@@ -2,10 +2,17 @@
 <div class="bg-white rounded-lg shadow-sm p-6 mb-6">
     <div class="flex justify-between items-center mb-4 pb-2 border-b">
         <h2 class="text-lg font-semibold text-gray-800">점검항목 템플릿</h2>
-        <button onclick="document.getElementById('templateModal').classList.remove('hidden')"
-                class="bg-blue-600 hover:bg-blue-700 text-white px-3 py-1.5 rounded-lg text-sm transition">
-            + 항목 추가
-        </button>
+        <div class="flex gap-2">
+            <button onclick="openCopyModal()"
+                    class="bg-green-600 hover:bg-green-700 text-white px-3 py-1.5 rounded-lg text-sm transition"
+                    id="copyTemplateBtn" style="display: none;">
+                다른 주기에 복사
+            </button>
+            <button onclick="document.getElementById('templateModal').classList.remove('hidden')"
+                    class="bg-blue-600 hover:bg-blue-700 text-white px-3 py-1.5 rounded-lg text-sm transition">
+                + 항목 추가
+            </button>
+        </div>
     </div>
 
     @php
@@ -144,8 +151,45 @@ class="bg-blue-600 hover:bg-blue-700 text-white px-4 py-2 rounded-lg">추가</bu
     </div>
 </div>
 
+<!-- 다른 주기에 복사 모달 -->
+<div id="copyTemplateModal" class="fixed inset-0 z-50 hidden">
+    <div class="fixed inset-0 bg-black/50" onclick="document.getElementById('copyTemplateModal').classList.add('hidden')"></div>
+    <div class="fixed inset-0 flex items-center justify-center p-4">
+        <div class="bg-white rounded-xl shadow-xl w-full max-w-md">
+            <div class="flex justify-between items-center p-6 border-b">
+                <h3 class="text-lg font-semibold">점검항목 복사</h3>
+                <button onclick="document.getElementById('copyTemplateModal').classList.add('hidden')" class="text-gray-400 hover:text-gray-600">&times;</button>
+            </div>
+            <div class="p-6">
+                <p class="text-sm text-gray-600 mb-4">
+                    <span id="copySourceLabel" class="font-semibold text-blue-700"></span> 점검항목을 선택한 주기에 복사합니다.
+                </p>
+                <div class="space-y-2 mb-6" id="copyTargetCycles">
+                    @foreach($allCycles as $code => $label)
+                        <label class="copy-cycle-option flex items-center gap-3 p-2 rounded-lg hover:bg-gray-50 cursor-pointer" data-cycle="{{ $code }}">
+                            <input type="checkbox" name="target_cycles[]" value="{{ $code }}"
+                                   class="w-4 h-4 text-blue-600 border-gray-300 rounded focus:ring-blue-500">
+                            <span class="text-sm text-gray-700">{{ $label }}</span>
+                            <span class="copy-cycle-count text-xs text-gray-400 ml-auto"></span>
+                        </label>
+                    @endforeach
+                </div>
+                <div class="flex justify-end gap-3">
+                    <button type="button" onclick="document.getElementById('copyTemplateModal').classList.add('hidden')"
+                            class="bg-gray-200 hover:bg-gray-300 text-gray-800 px-4 py-2 rounded-lg text-sm">취소</button>
+                    <button type="button" onclick="executeCopyTemplates()"
+                            class="bg-green-600 hover:bg-green-700 text-white px-4 py-2 rounded-lg text-sm" id="copyExecuteBtn">복사</button>
+                </div>
+            </div>
+        </div>
+    </div>
+</div>
+
 <script>
+let currentTemplateTab = 'daily';
+
 function switchTemplateTab(cycle) {
+    currentTemplateTab = cycle;
     document.querySelectorAll('.tmpl-cycle-tab').forEach(btn => {
         if (btn.dataset.cycle === cycle) {
             btn.className = 'tmpl-cycle-tab px-3 py-1.5 rounded-md text-xs font-medium transition bg-white text-blue-700 shadow-sm';
@@ -156,8 +200,80 @@ function switchTemplateTab(cycle) {
     document.querySelectorAll('.tmpl-cycle-content').forEach(el => {
         el.classList.toggle('hidden', el.dataset.cycle !== cycle);
     });
-    // 모달의 주기 기본값도 전환
     const cycleSelect = document.getElementById('tmplInspectionCycle');
     if (cycleSelect) cycleSelect.value = cycle;
+    updateCopyButton();
 }
+
+function updateCopyButton() {
+    const btn = document.getElementById('copyTemplateBtn');
+    const content = document.querySelector(`.tmpl-cycle-content[data-cycle="${currentTemplateTab}"]`);
+    const hasItems = content && content.querySelector('table');
+    btn.style.display = hasItems ? '' : 'none';
+}
+
+function openCopyModal() {
+    const cycleLabels = @json($allCycles);
+    document.getElementById('copySourceLabel').textContent = cycleLabels[currentTemplateTab];
+
+    document.querySelectorAll('.copy-cycle-option').forEach(el => {
+        const code = el.dataset.cycle;
+        const checkbox = el.querySelector('input[type="checkbox"]');
+        if (code === currentTemplateTab) {
+            el.style.display = 'none';
+            checkbox.checked = false;
+        } else {
+            el.style.display = '';
+            checkbox.checked = false;
+            const countEl = el.querySelector('.copy-cycle-count');
+            const tab = document.querySelector(`.tmpl-cycle-tab[data-cycle="${code}"]`);
+            const badge = tab ? tab.querySelector('span') : null;
+            countEl.textContent = badge ? `${badge.textContent.trim()}개 항목` : '';
+        }
+    });
+
+    document.getElementById('copyTemplateModal').classList.remove('hidden');
+}
+
+function executeCopyTemplates() {
+    const checked = document.querySelectorAll('#copyTargetCycles input[type="checkbox"]:checked');
+    if (checked.length === 0) {
+        alert('복사할 주기를 선택해주세요.');
+        return;
+    }
+
+    const targetCycles = Array.from(checked).map(cb => cb.value);
+    const equipmentId = @json($equipment->id);
+    const btn = document.getElementById('copyExecuteBtn');
+    btn.disabled = true;
+    btn.textContent = '복사 중...';
+
+    fetch(`/api/admin/equipment/${equipmentId}/templates/copy`, {
+        method: 'POST',
+        headers: {
+            'Content-Type': 'application/json',
+            'X-CSRF-TOKEN': document.querySelector('meta[name="csrf-token"]').content,
+        },
+        body: JSON.stringify({
+            source_cycle: currentTemplateTab,
+            target_cycles: targetCycles,
+        }),
+    })
+    .then(res => res.json())
+    .then(data => {
+        if (data.success) {
+            alert(data.message);
+            location.reload();
+        } else {
+            alert(data.message || '복사 실패');
+        }
+    })
+    .catch(() => alert('오류가 발생했습니다.'))
+    .finally(() => {
+        btn.disabled = false;
+        btn.textContent = '복사';
+    });
+}
+
+document.addEventListener('DOMContentLoaded', () => updateCopyButton());
 </script>
diff --git a/routes/api.php b/routes/api.php
index e9509ac9..ac51f3d0 100644
--- a/routes/api.php
+++ b/routes/api.php
@@ -1023,6 +1023,7 @@
     Route::post('/{id}/templates', [\App\Http\Controllers\Api\Admin\EquipmentInspectionController::class, 'storeTemplate'])->whereNumber('id')->name('templates.store');
     Route::put('/templates/{templateId}', [\App\Http\Controllers\Api\Admin\EquipmentInspectionController::class, 'updateTemplate'])->whereNumber('templateId')->name('templates.update');
     Route::delete('/templates/{templateId}', [\App\Http\Controllers\Api\Admin\EquipmentInspectionController::class, 'deleteTemplate'])->whereNumber('templateId')->name('templates.destroy');
+    Route::post('/{id}/templates/copy', [\App\Http\Controllers\Api\Admin\EquipmentInspectionController::class, 'copyTemplates'])->whereNumber('id')->name('templates.copy');
 
     // 점검 기록
     Route::get('/inspections', [\App\Http\Controllers\Api\Admin\EquipmentInspectionController::class, 'index'])->name('inspections.index');