diff --git a/apps/api/app/api/routes/asset_diagnosis.py b/apps/api/app/api/routes/asset_diagnosis.py
index 9b1ce607e..26a8c6456 100644
--- a/apps/api/app/api/routes/asset_diagnosis.py
+++ b/apps/api/app/api/routes/asset_diagnosis.py
@@ -45,6 +45,9 @@ def _build_diagnosis(workspace_id: str, project_id: str, assets: list[Asset]) ->
     problem_assets = [asset for asset in assets if asset.status in {AssetStatus.ERROR, AssetStatus.UPLOADING, AssetStatus.PROCESSING}]
     unclassified_assets = [asset for asset in ready_assets if asset.classification_status.value in {"pending", "failed"}]
     risky_assets = [asset for asset in ready_assets if asset.quality_score is not None and asset.quality_score < 60]
+    used_assets = [asset for asset in ready_assets if int(asset.metadata.get("generation_use_count") or 0) > 0]
+    unused_assets = [asset for asset in ready_assets if int(asset.metadata.get("generation_use_count") or 0) == 0]
+    pending_review_assets = [asset for asset in ready_assets if asset.metadata.get("review_status") == "pending_review"]
     total_duration = round(sum(float(asset.duration or 0) for asset in video_assets), 2)
     estimated_video_count = max(0, min(len(video_assets), int(total_duration // 5) if total_duration else len(video_assets)))
 
@@ -124,6 +127,9 @@ def _build_diagnosis(workspace_id: str, project_id: str, assets: list[Asset]) ->
         AssetSmartViewItem(key="needs_attention", label="慎用素材", count=len(problem_assets) + len(risky_assets), description="导入未完成、失败或质量分偏低的素材"),
         AssetSmartViewItem(key="unclassified", label="未分类素材", count=len(unclassified_assets), description="尚未完成分类或分类失败的 ready 素材"),
         AssetSmartViewItem(key="recent", label="最近上传", count=min(len(assets), 10), description="最近进入素材库的素材，可用于快速复核"),
+        AssetSmartViewItem(key="unused", label="未使用素材", count=len(unused_assets), description="尚未参与生成的 ready 素材"),
+        AssetSmartViewItem(key="used", label="已使用素材", count=len(used_assets), description="已经参与过生成的素材"),
+        AssetSmartViewItem(key="pending_review", label="待复核素材", count=len(pending_review_assets), description="生成后待人工复核的素材"),
         AssetSmartViewItem(key="voice", label="配音素材", count=len(voice_assets), description="可用于后续配音/旁白工作流的素材"),
     ]
 
@@ -139,6 +145,9 @@ def _build_diagnosis(workspace_id: str, project_id: str, assets: list[Asset]) ->
         voice_assets=len(voice_assets),
         total_duration_seconds=total_duration,
         estimated_video_count=estimated_video_count,
+        used_assets=len(used_assets),
+        unused_assets=len(unused_assets),
+        pending_review_assets=len(pending_review_assets),
         smart_views=smart_views,
         gaps=gaps,
     )
diff --git a/apps/api/app/schemas/asset_diagnosis.py b/apps/api/app/schemas/asset_diagnosis.py
index a167ed556..95b8684a8 100644
--- a/apps/api/app/schemas/asset_diagnosis.py
+++ b/apps/api/app/schemas/asset_diagnosis.py
@@ -27,5 +27,8 @@ class ProjectAssetDiagnosisResponse(BaseModel):
     voice_assets: int
     total_duration_seconds: float
     estimated_video_count: int
+    used_assets: int
+    unused_assets: int
+    pending_review_assets: int
     smart_views: list[AssetSmartViewItem]
     gaps: list[AssetGapItem]
diff --git a/apps/web/src/api/assets.ts b/apps/web/src/api/assets.ts
index 249f3c2e7..e8e8961fc 100644
--- a/apps/web/src/api/assets.ts
+++ b/apps/web/src/api/assets.ts
@@ -62,6 +62,9 @@ export interface ProjectAssetDiagnosis {
   voice_assets: number;
   total_duration_seconds: number;
   estimated_video_count: number;
+  used_assets: number;
+  unused_assets: number;
+  pending_review_assets: number;
   smart_views: Array<{ key: string; label: string; count: number; description: string }>;
   gaps: Array<{ key: string; severity: 'critical' | 'warning' | 'info'; message: string; recommendation: string }>;
 }
diff --git a/apps/web/src/pages/workspace/ProjectAssets.tsx b/apps/web/src/pages/workspace/ProjectAssets.tsx
index 0903e3db8..28a63ec20 100644
--- a/apps/web/src/pages/workspace/ProjectAssets.tsx
+++ b/apps/web/src/pages/workspace/ProjectAssets.tsx
@@ -290,6 +290,12 @@ const ProjectAssets: React.FC = () => {
       items = items.filter((item) => !item.metadata?.classification || item.classification_status === 'failed');
     } else if (smartViewFilter === 'voice') {
       items = items.filter((item) => item.mime_type?.startsWith('audio'));
+    } else if (smartViewFilter === 'unused') {
+      items = items.filter((item) => item.status === 'ready' && Number(item.metadata?.generation_use_count || 0) === 0);
+    } else if (smartViewFilter === 'used') {
+      items = items.filter((item) => Number(item.metadata?.generation_use_count || 0) > 0);
+    } else if (smartViewFilter === 'pending_review') {
+      items = items.filter((item) => item.metadata?.review_status === 'pending_review');
     }
 
     if (classificationFilter !== 'all') {
@@ -505,6 +511,9 @@ const ProjectAssets: React.FC = () => {
                     { label: '慎用素材', value: 'needs_attention' },
                     { label: '未分类素材', value: 'unclassified' },
                     { label: '最近上传', value: 'recent' },
+                    { label: '未使用素材', value: 'unused' },
+                    { label: '已使用素材', value: 'used' },
+                    { label: '待复核素材', value: 'pending_review' },
                     { label: '配音素材', value: 'voice' },
                   ]}
                   onChange={setSmartViewFilter}
@@ -608,6 +617,9 @@ const ProjectAssets: React.FC = () => {
                       <Tag color="orange">图片 {diagnosisQuery.data.image_assets}</Tag>
                       <Tag color="cyan">配音 {diagnosisQuery.data.voice_assets}</Tag>
                       <Tag color="gold">预计可生成 {diagnosisQuery.data.estimated_video_count}</Tag>
+                      <Tag color="geekblue">未使用 {diagnosisQuery.data.unused_assets}</Tag>
+                      <Tag color="lime">已使用 {diagnosisQuery.data.used_assets}</Tag>
+                      <Tag color="volcano">待复核 {diagnosisQuery.data.pending_review_assets}</Tag>
                     </Space>
                     <div style={{ marginTop: 12 }}>
                       <Space size={[8, 8]} wrap>
diff --git a/apps/worker/worker_app/core/asset_usage.py b/apps/worker/worker_app/core/asset_usage.py
new file mode 100644
index 000000000..891e0a24c
--- /dev/null
+++ b/apps/worker/worker_app/core/asset_usage.py
@@ -0,0 +1,10 @@
+from datetime import datetime, timezone
+
+
+def mark_asset_used_for_generation(asset) -> None:
+    asset.metadata = {
+        **asset.metadata,
+        "generation_use_count": int(asset.metadata.get("generation_use_count") or 0) + 1,
+        "last_used_at": datetime.now(timezone.utc).isoformat(),
+        "review_status": asset.metadata.get("review_status") or "pending_review",
+    }
diff --git a/apps/worker/worker_app/tasks/generation.py b/apps/worker/worker_app/tasks/generation.py
index aee7c589f..47e3e38fb 100644
--- a/apps/worker/worker_app/tasks/generation.py
+++ b/apps/worker/worker_app/tasks/generation.py
@@ -8,6 +8,7 @@ from pathlib import Path
 from urllib.parse import urlparse
 
 import oss2
+from worker_app.core.asset_usage import mark_asset_used_for_generation
 from worker_app.celery_app import celery_app
 from worker_app.db import SessionLocal
 
@@ -214,6 +215,9 @@ def generate_video(task_id: str) -> dict:
 
             if source_downloaded:
                 _compose_from_asset(input_path, output_path)
+                source_asset = assets[0]
+                mark_asset_used_for_generation(source_asset)
+                asset_repo.update(source_asset)
             else:
                 _create_fallback_clip(output_path, f"Xiaoxia Generated Video {task.id[:8]}")
 
diff --git a/tests/unit/test_asset_diagnosis.py b/tests/unit/test_asset_diagnosis.py
index ed62c46ad..07633de97 100644
--- a/tests/unit/test_asset_diagnosis.py
+++ b/tests/unit/test_asset_diagnosis.py
@@ -36,11 +36,13 @@ def test_asset_diagnosis_reports_missing_video_gap():
 
 
 def test_asset_diagnosis_scores_ready_video_assets():
+    used_asset = _asset("video-1.mp4", "video/mp4", duration=8)
+    used_asset.metadata = {"generation_use_count": 1, "review_status": "pending_review"}
     diagnosis = _build_diagnosis(
         "workspace-1",
         "project-1",
         [
-            _asset("video-1.mp4", "video/mp4", duration=8),
+            used_asset,
             _asset("video-2.mp4", "video/mp4", duration=8),
             _asset("video-3.mov", "video/quicktime", duration=8),
             _asset("voice.mp3", "audio/mpeg"),
@@ -51,7 +53,13 @@ def test_asset_diagnosis_scores_ready_video_assets():
     assert diagnosis.video_assets == 3
     assert diagnosis.voice_assets == 1
     assert diagnosis.estimated_video_count == 3
-    assert {item.key: item.count for item in diagnosis.smart_views}["recommended"] == 3
+    assert diagnosis.used_assets == 1
+    assert diagnosis.unused_assets == 3
+    assert diagnosis.pending_review_assets == 1
+    smart_view_counts = {item.key: item.count for item in diagnosis.smart_views}
+    assert smart_view_counts["recommended"] == 3
+    assert smart_view_counts["used"] == 1
+    assert smart_view_counts["pending_review"] == 1
 
 
 def test_asset_diagnosis_flags_unready_and_low_quality_assets():
diff --git a/tests/unit/test_generation_asset_usage.py b/tests/unit/test_generation_asset_usage.py
new file mode 100644
index 000000000..c8970825b
--- /dev/null
+++ b/tests/unit/test_generation_asset_usage.py
@@ -0,0 +1,40 @@
+import sys
+from pathlib import Path
+
+sys.path.insert(0, str(Path(__file__).resolve().parents[2] / "apps" / "worker"))
+
+from packages.domain import Asset, AssetStatus
+from worker_app.core.asset_usage import mark_asset_used_for_generation
+
+
+def _asset() -> Asset:
+    return Asset.create(
+        workspace_id="workspace-1",
+        project_id="project-1",
+        library_id="library-1",
+        name="video.mp4",
+        storage_key="uploads/video.mp4",
+        mime_type="video/mp4",
+        file_size=1024,
+        status=AssetStatus.READY,
+    )
+
+
+def test_mark_asset_used_for_generation_sets_first_review_state():
+    asset = _asset()
+
+    mark_asset_used_for_generation(asset)
+
+    assert asset.metadata["generation_use_count"] == 1
+    assert asset.metadata["review_status"] == "pending_review"
+    assert asset.metadata["last_used_at"]
+
+
+def test_mark_asset_used_for_generation_increments_without_overwriting_review_state():
+    asset = _asset()
+    asset.metadata = {"generation_use_count": 2, "review_status": "approved"}
+
+    mark_asset_used_for_generation(asset)
+
+    assert asset.metadata["generation_use_count"] == 3
+    assert asset.metadata["review_status"] == "approved"