diff --git a/app/Http/Controllers/Sales/SalesProspectController.php b/app/Http/Controllers/Sales/SalesProspectController.php
index 396f36e2..b9f85555 100644
--- a/app/Http/Controllers/Sales/SalesProspectController.php
+++ b/app/Http/Controllers/Sales/SalesProspectController.php
@@ -94,13 +94,27 @@ public function store(Request $request)
             'address' => 'nullable|string|max:500',
             'status' => 'required|in:lead,prospect,negotiation,contracted,lost',
             'business_card_image_data' => 'nullable|string',
+            'id_card_image_data' => 'nullable|string',
+            'bankbook_image_data' => 'nullable|string',
         ]);
 
         // 명함 이미지 저장 (Base64)
         if (!empty($validated['business_card_image_data'])) {
-            $validated['business_card_image'] = $this->saveBusinessCardImage($validated['business_card_image_data']);
-            unset($validated['business_card_image_data']);
+            $validated['business_card_image'] = $this->saveBase64Image($validated['business_card_image_data'], 'business-cards');
         }
+        unset($validated['business_card_image_data']);
+
+        // 신분증 이미지 저장 (Base64)
+        if (!empty($validated['id_card_image_data'])) {
+            $validated['id_card_image'] = $this->saveBase64Image($validated['id_card_image_data'], 'id-cards');
+        }
+        unset($validated['id_card_image_data']);
+
+        // 통장사본 이미지 저장 (Base64)
+        if (!empty($validated['bankbook_image_data'])) {
+            $validated['bankbook_image'] = $this->saveBase64Image($validated['bankbook_image_data'], 'bankbooks');
+        }
+        unset($validated['bankbook_image_data']);
 
         $prospect = SalesProspect::create($validated);
 
@@ -157,20 +171,40 @@ public function update(Request $request, int $id)
             'address' => 'nullable|string|max:500',
             'status' => 'required|in:lead,prospect,negotiation,contracted,lost',
             'business_card' => 'nullable|image|max:5120',
+            'id_card' => 'nullable|image|max:5120',
+            'bankbook' => 'nullable|image|max:5120',
         ]);
 
         // 명함 이미지 업로드 처리
         if ($request->hasFile('business_card')) {
-            // 기존 이미지 삭제
             if ($prospect->business_card_image) {
                 Storage::disk('public')->delete($prospect->business_card_image);
             }
-
             $validated['business_card_image'] = $request->file('business_card')
                 ->store('business-cards', 'public');
         }
         unset($validated['business_card']);
 
+        // 신분증 이미지 업로드 처리
+        if ($request->hasFile('id_card')) {
+            if ($prospect->id_card_image) {
+                Storage::disk('public')->delete($prospect->id_card_image);
+            }
+            $validated['id_card_image'] = $request->file('id_card')
+                ->store('id-cards', 'public');
+        }
+        unset($validated['id_card']);
+
+        // 통장사본 이미지 업로드 처리
+        if ($request->hasFile('bankbook')) {
+            if ($prospect->bankbook_image) {
+                Storage::disk('public')->delete($prospect->bankbook_image);
+            }
+            $validated['bankbook_image'] = $request->file('bankbook')
+                ->store('bankbooks', 'public');
+        }
+        unset($validated['bankbook']);
+
         $prospect->update($validated);
 
         return redirect()->route('sales.prospects.show', $prospect->id)
@@ -184,9 +218,12 @@ public function destroy(int $id)
     {
         $prospect = SalesProspect::findOrFail($id);
 
-        // 명함 이미지 삭제
-        if ($prospect->business_card_image) {
-            Storage::disk('public')->delete($prospect->business_card_image);
+        // 첨부 이미지 삭제
+        $imageFields = ['business_card_image', 'id_card_image', 'bankbook_image'];
+        foreach ($imageFields as $field) {
+            if ($prospect->$field) {
+                Storage::disk('public')->delete($prospect->$field);
+            }
         }
 
         $prospect->delete();
@@ -196,9 +233,9 @@ public function destroy(int $id)
     }
 
     /**
-     * Base64 명함 이미지 저장
+     * Base64 이미지 저장
      */
-    private function saveBusinessCardImage(string $base64Data): ?string
+    private function saveBase64Image(string $base64Data, string $folder): ?string
     {
         // data:image/jpeg;base64,... 형식에서 데이터 추출
         if (preg_match('/^data:image\/(\w+);base64,/', $base64Data, $matches)) {
@@ -213,7 +250,7 @@ private function saveBusinessCardImage(string $base64Data): ?string
             return null;
         }
 
-        $filename = 'business-cards/' . date('Ymd') . '_' . uniqid() . '.' . $extension;
+        $filename = $folder . '/' . date('Ymd') . '_' . uniqid() . '.' . $extension;
         Storage::disk('public')->put($filename, $imageData);
 
         return $filename;
diff --git a/app/Models/Sales/SalesProspect.php b/app/Models/Sales/SalesProspect.php
index 793978e5..d478cd79 100644
--- a/app/Models/Sales/SalesProspect.php
+++ b/app/Models/Sales/SalesProspect.php
@@ -23,6 +23,8 @@ class SalesProspect extends Model
         'email',
         'address',
         'business_card_image',
+        'id_card_image',
+        'bankbook_image',
         'status',
     ];
 
@@ -157,4 +159,44 @@ public function getBusinessCardUrlAttribute(): ?string
 
         return asset('storage/' . $this->business_card_image);
     }
+
+    /**
+     * 신분증 이미지 존재 여부
+     */
+    public function hasIdCard(): bool
+    {
+        return !empty($this->id_card_image);
+    }
+
+    /**
+     * 신분증 이미지 URL
+     */
+    public function getIdCardUrlAttribute(): ?string
+    {
+        if (!$this->hasIdCard()) {
+            return null;
+        }
+
+        return asset('storage/' . $this->id_card_image);
+    }
+
+    /**
+     * 통장사본 이미지 존재 여부
+     */
+    public function hasBankbook(): bool
+    {
+        return !empty($this->bankbook_image);
+    }
+
+    /**
+     * 통장사본 이미지 URL
+     */
+    public function getBankbookUrlAttribute(): ?string
+    {
+        if (!$this->hasBankbook()) {
+            return null;
+        }
+
+        return asset('storage/' . $this->bankbook_image);
+    }
 }
diff --git a/resources/views/sales/prospects/create.blade.php b/resources/views/sales/prospects/create.blade.php
index aadc2a2b..2bc4cf55 100644
--- a/resources/views/sales/prospects/create.blade.php
+++ b/resources/views/sales/prospects/create.blade.php
@@ -112,6 +112,8 @@
     <form action="{{ route('sales.prospects.store') }}" method="POST" enctype="multipart/form-data" class="bg-white rounded-lg shadow-sm p-6 space-y-6">
         @csrf
         <input type="hidden" name="business_card_image_data" id="business_card_image_data" value="">
+        <input type="hidden" name="id_card_image_data" id="id_card_image_data" value="">
+        <input type="hidden" name="bankbook_image_data" id="bankbook_image_data" value="">
 
         <!-- 사업자번호 (중복 체크) -->
         <div>
@@ -175,6 +177,37 @@ class="w-full px-4 py-2 border border-gray-300 rounded-lg focus:outline-none foc
             <p class="mt-1 text-xs text-gray-500">JPG, PNG 형식 (최대 5MB)</p>
         </div>
 
+        <!-- 추가 첨부파일 -->
+        <div class="border-t pt-6">
+            <h3 class="text-lg font-semibold text-gray-800 mb-4">추가 서류</h3>
+            <div class="grid grid-cols-1 md:grid-cols-2 gap-6">
+                <div>
+                    <label class="block text-sm font-medium text-gray-700 mb-2">신분증 사본</label>
+                    <div class="border-2 border-dashed border-gray-300 rounded-lg p-4 text-center cursor-pointer hover:border-blue-400 transition" id="id-card-drop-zone">
+                        <input type="file" name="id_card" id="id_card_file" accept="image/*" class="hidden">
+                        <svg class="w-8 h-8 mx-auto text-gray-400 mb-2" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="1.5" d="M10 6H5a2 2 0 00-2 2v9a2 2 0 002 2h14a2 2 0 002-2V8a2 2 0 00-2-2h-5m-4 0V5a2 2 0 114 0v1m-4 0a2 2 0 104 0m-5 8a2 2 0 100-4 2 2 0 000 4zm0 0c1.306 0 2.417.835 2.83 2M9 14a3.001 3.001 0 00-2.83 2M15 11h3m-3 4h2" />
+                        </svg>
+                        <p class="text-sm text-gray-500">클릭하여 업로드</p>
+                    </div>
+                    <img id="id-card-preview" class="mt-2 max-h-32 rounded-lg hidden" alt="신분증 미리보기">
+                </div>
+
+                <div>
+                    <label class="block text-sm font-medium text-gray-700 mb-2">통장 사본</label>
+                    <div class="border-2 border-dashed border-gray-300 rounded-lg p-4 text-center cursor-pointer hover:border-blue-400 transition" id="bankbook-drop-zone">
+                        <input type="file" name="bankbook" id="bankbook_file" accept="image/*" class="hidden">
+                        <svg class="w-8 h-8 mx-auto text-gray-400 mb-2" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="1.5" d="M3 10h18M7 15h1m4 0h1m-7 4h12a3 3 0 003-3V8a3 3 0 00-3-3H6a3 3 0 00-3 3v8a3 3 0 003 3z" />
+                        </svg>
+                        <p class="text-sm text-gray-500">클릭하여 업로드</p>
+                    </div>
+                    <img id="bankbook-preview" class="mt-2 max-h-32 rounded-lg hidden" alt="통장사본 미리보기">
+                </div>
+            </div>
+            <p class="mt-2 text-xs text-gray-500">JPG, PNG 형식 (최대 5MB)</p>
+        </div>
+
         <div>
             <label class="block text-sm font-medium text-gray-700 mb-2">메모</label>
             <textarea name="memo" rows="3"
@@ -380,6 +413,66 @@ function showStatus(type, text) {
             resultEl.className = 'mt-1 text-sm text-red-500';
         });
     });
+
+    // 신분증 업로드 처리
+    const idCardDropZone = document.getElementById('id-card-drop-zone');
+    const idCardFile = document.getElementById('id_card_file');
+    const idCardPreview = document.getElementById('id-card-preview');
+
+    idCardDropZone.addEventListener('click', () => idCardFile.click());
+    idCardDropZone.addEventListener('dragover', (e) => {
+        e.preventDefault();
+        idCardDropZone.classList.add('border-blue-400', 'bg-blue-50');
+    });
+    idCardDropZone.addEventListener('dragleave', () => {
+        idCardDropZone.classList.remove('border-blue-400', 'bg-blue-50');
+    });
+    idCardDropZone.addEventListener('drop', (e) => {
+        e.preventDefault();
+        idCardDropZone.classList.remove('border-blue-400', 'bg-blue-50');
+        if (e.dataTransfer.files.length) handleIdCardFile(e.dataTransfer.files[0]);
+    });
+    idCardFile.addEventListener('change', (e) => {
+        if (e.target.files.length) handleIdCardFile(e.target.files[0]);
+    });
+
+    async function handleIdCardFile(file) {
+        if (!file.type.startsWith('image/')) return;
+        const base64 = await fileToBase64(file);
+        idCardPreview.src = base64;
+        idCardPreview.classList.remove('hidden');
+        document.getElementById('id_card_image_data').value = base64;
+    }
+
+    // 통장사본 업로드 처리
+    const bankbookDropZone = document.getElementById('bankbook-drop-zone');
+    const bankbookFile = document.getElementById('bankbook_file');
+    const bankbookPreview = document.getElementById('bankbook-preview');
+
+    bankbookDropZone.addEventListener('click', () => bankbookFile.click());
+    bankbookDropZone.addEventListener('dragover', (e) => {
+        e.preventDefault();
+        bankbookDropZone.classList.add('border-blue-400', 'bg-blue-50');
+    });
+    bankbookDropZone.addEventListener('dragleave', () => {
+        bankbookDropZone.classList.remove('border-blue-400', 'bg-blue-50');
+    });
+    bankbookDropZone.addEventListener('drop', (e) => {
+        e.preventDefault();
+        bankbookDropZone.classList.remove('border-blue-400', 'bg-blue-50');
+        if (e.dataTransfer.files.length) handleBankbookFile(e.dataTransfer.files[0]);
+    });
+    bankbookFile.addEventListener('change', (e) => {
+        if (e.target.files.length) handleBankbookFile(e.target.files[0]);
+    });
+
+    async function handleBankbookFile(file) {
+        if (!file.type.startsWith('image/')) return;
+        const base64 = await fileToBase64(file);
+        bankbookPreview.src = base64;
+        bankbookPreview.classList.remove('hidden');
+        document.getElementById('bankbook_image_data').value = base64;
+    }
 });
 </script>
 @endpush
diff --git a/resources/views/sales/prospects/edit.blade.php b/resources/views/sales/prospects/edit.blade.php
index dbc58900..939bae12 100644
--- a/resources/views/sales/prospects/edit.blade.php
+++ b/resources/views/sales/prospects/edit.blade.php
@@ -86,6 +86,37 @@ class="w-full px-4 py-2 border border-gray-300 rounded-lg focus:outline-none foc
             <p class="mt-1 text-xs text-gray-500">JPG, PNG 형식 (최대 5MB)</p>
         </div>
 
+        <!-- 추가 첨부파일 -->
+        <div class="border-t pt-6">
+            <h3 class="text-lg font-semibold text-gray-800 mb-4">추가 서류</h3>
+            <div class="grid grid-cols-1 md:grid-cols-2 gap-6">
+                <div>
+                    <label class="block text-sm font-medium text-gray-700 mb-2">신분증 사본</label>
+                    @if($prospect->hasIdCard())
+                    <div class="mb-2 p-2 bg-gray-50 rounded-lg">
+                        <img src="{{ $prospect->id_card_url }}" alt="현재 신분증" class="max-h-32 rounded">
+                        <p class="text-xs text-gray-500 mt-1">새 이미지를 업로드하면 기존 이미지가 교체됩니다</p>
+                    </div>
+                    @endif
+                    <input type="file" name="id_card" accept="image/*"
+                           class="w-full px-4 py-2 border border-gray-300 rounded-lg focus:outline-none focus:ring-2 focus:ring-blue-500">
+                </div>
+
+                <div>
+                    <label class="block text-sm font-medium text-gray-700 mb-2">통장 사본</label>
+                    @if($prospect->hasBankbook())
+                    <div class="mb-2 p-2 bg-gray-50 rounded-lg">
+                        <img src="{{ $prospect->bankbook_url }}" alt="현재 통장사본" class="max-h-32 rounded">
+                        <p class="text-xs text-gray-500 mt-1">새 이미지를 업로드하면 기존 이미지가 교체됩니다</p>
+                    </div>
+                    @endif
+                    <input type="file" name="bankbook" accept="image/*"
+                           class="w-full px-4 py-2 border border-gray-300 rounded-lg focus:outline-none focus:ring-2 focus:ring-blue-500">
+                </div>
+            </div>
+            <p class="mt-2 text-xs text-gray-500">JPG, PNG 형식 (최대 5MB)</p>
+        </div>
+
         <div>
             <label class="block text-sm font-medium text-gray-700 mb-2">메모</label>
             <textarea name="memo" rows="3"