diff --git a/UnityProject/Assets/TEngine/Runtime/Module/ResourceModule/Extension/Implement/SetSpriteExtensions.cs b/UnityProject/Assets/TEngine/Runtime/Module/ResourceModule/Extension/Implement/SetSpriteExtensions.cs
index a8448cf4..762e1803 100644
--- a/UnityProject/Assets/TEngine/Runtime/Module/ResourceModule/Extension/Implement/SetSpriteExtensions.cs
+++ b/UnityProject/Assets/TEngine/Runtime/Module/ResourceModule/Extension/Implement/SetSpriteExtensions.cs
@@ -1,4 +1,5 @@
 using System.Threading;
+using Cysharp.Threading.Tasks;
 using TEngine;
 using UnityEngine;
 using UnityEngine.UI;
@@ -27,4 +28,29 @@ public static class SetSpriteExtensions
     {
         ResourceExtComponent.Instance.SetAssetByResources<Sprite>(SetSpriteObject.Create(spriteRenderer, location, cancellationToken)).Forget();
     }
+    
+    /// <summary>
+    /// 设置子图片。
+    /// </summary>
+    /// <param name="image">UI/Image。</param>
+    /// <param name="location">资源定位地址。</param>
+    /// <param name="spriteName">子图片名称。</param>
+    /// <param name="setNativeSize">是否使用原始分辨率。</param>
+    /// <param name="cancellationToken">取消设置资源的Token。</param>
+    public static void SetSubSprite(this Image image, string location, string spriteName, bool setNativeSize = false, CancellationToken cancellationToken = default)
+    {
+        ResourceExtComponent.Instance.SetSubSprite(image, location, spriteName, setNativeSize, cancellationToken).Forget();
+    }
+    
+    /// <summary>
+    /// 设置子图片。
+    /// </summary>
+    /// <param name="spriteRenderer">2D/SpriteRender。</param>
+    /// <param name="location">资源定位地址。</param>
+    /// <param name="spriteName">子图片名称。</param>
+    /// <param name="cancellationToken">取消设置资源的Token。</param>
+    public static void SetSubSprite(this SpriteRenderer spriteRenderer, string location, string spriteName, CancellationToken cancellationToken = default)
+    {
+        ResourceExtComponent.Instance.SetSubSprite(spriteRenderer, location, spriteName, cancellationToken).Forget();
+    }
 }
\ No newline at end of file
diff --git a/UnityProject/Assets/TEngine/Runtime/Module/ResourceModule/Extension/ResourceExtComponent.SubSprite.cs b/UnityProject/Assets/TEngine/Runtime/Module/ResourceModule/Extension/ResourceExtComponent.SubSprite.cs
new file mode 100644
index 00000000..5901b3f2
--- /dev/null
+++ b/UnityProject/Assets/TEngine/Runtime/Module/ResourceModule/Extension/ResourceExtComponent.SubSprite.cs
@@ -0,0 +1,125 @@
+using System.Collections.Generic;
+using System.Threading;
+using Cysharp.Threading.Tasks;
+using UnityEngine;
+using UnityEngine.UI;
+using YooAsset;
+
+namespace TEngine
+{
+    /// <summary>
+    /// 资源组件拓展。
+    /// </summary>
+    internal partial class ResourceExtComponent
+    {
+        private readonly Dictionary<string, SubAssetsHandle> _subAssetsHandles = new Dictionary<string, SubAssetsHandle>();
+        private readonly Dictionary<string, int> _subSpriteReferences = new Dictionary<string, int>();
+
+        public async UniTask SetSubSprite(Image image, string location, string spriteName, bool setNativeSize = false, CancellationToken cancellationToken = default)
+        {
+            var subSprite = await GetSubSpriteImp(location, spriteName, cancellationToken);
+
+            if (image == null)
+            {
+                Log.Warning($"SetSubAssets Image is null");
+                return;
+            }
+
+            image.sprite = subSprite;
+            if (setNativeSize)
+            {
+                image.SetNativeSize();
+            }
+            AddReference(image.gameObject, location);
+        }
+        
+        public async UniTask SetSubSprite(SpriteRenderer spriteRenderer, string location, string spriteName, CancellationToken cancellationToken = default)
+        {
+            var subSprite = await GetSubSpriteImp(location, spriteName, cancellationToken);
+
+            if (spriteRenderer == null)
+            {
+                Log.Warning($"SetSubAssets Image is null");
+                return;
+            }
+
+            spriteRenderer.sprite = subSprite;
+            AddReference(spriteRenderer.gameObject, location);
+        }
+
+        private async UniTask<Sprite> GetSubSpriteImp(string location, string spriteName, CancellationToken cancellationToken = default)
+        {
+            var assetInfo = YooAssets.GetAssetInfo(location);
+            if (assetInfo.IsInvalid)
+            {
+                throw new GameFrameworkException($"Invalid location: {location}");
+            }
+
+            await TryWaitingLoading(location);
+
+            if (!_subAssetsHandles.TryGetValue(location, out var subAssetsHandle))
+            {
+                subAssetsHandle = YooAssets.LoadSubAssetsAsync<Sprite>(location);
+                await subAssetsHandle.ToUniTask(cancellationToken: cancellationToken);
+                _subAssetsHandles[location] = subAssetsHandle;
+            }
+
+            var subSprite = subAssetsHandle.GetSubAssetObject<Sprite>(spriteName);
+            if (subSprite == null)
+            {
+                throw new GameFrameworkException($"Invalid sprite name: {spriteName}");
+            }
+            return subSprite;
+        }
+
+        private void AddReference(GameObject target,string location)
+        {
+            var subSpriteReference = target.GetComponent<SubSpriteReference>();
+            if (subSpriteReference == null)
+            {
+                subSpriteReference = target.AddComponent<SubSpriteReference>();
+            }
+            _subSpriteReferences[location] = _subSpriteReferences.TryGetValue(location, out var count) ? count + 1 : 1;
+            subSpriteReference.Reference(location);
+        }
+        
+        internal void DeleteReference(string location)
+        {
+            if (string.IsNullOrEmpty(location))
+            {
+                return;
+            }
+            _subSpriteReferences[location] = _subSpriteReferences.TryGetValue(location, out var count) ? count - 1 : 0;
+            if (_subSpriteReferences[location] <= 0)
+            {
+                var subAssetsHandle = _subAssetsHandles[location];
+                subAssetsHandle.Dispose();
+                _subAssetsHandles.Remove(location);
+                _subSpriteReferences.Remove(location);
+            }
+        }
+    }
+    
+    [DisallowMultipleComponent]
+    public class SubSpriteReference : MonoBehaviour
+    {
+        private string _location;
+        
+        public void Reference(string location)
+        {
+            if (_location != null && _location != location)
+            {
+                ResourceExtComponent.Instance?.DeleteReference(_location);
+            }
+            _location = location;
+        }
+        
+        private void OnDestroy()
+        {
+            if (_location != null)
+            {
+                ResourceExtComponent.Instance?.DeleteReference(_location);
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/UnityProject/Assets/TEngine/Runtime/Module/ResourceModule/Extension/ResourceExtComponent.SubSprite.cs.meta b/UnityProject/Assets/TEngine/Runtime/Module/ResourceModule/Extension/ResourceExtComponent.SubSprite.cs.meta
new file mode 100644
index 00000000..54d93c74
--- /dev/null
+++ b/UnityProject/Assets/TEngine/Runtime/Module/ResourceModule/Extension/ResourceExtComponent.SubSprite.cs.meta
@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: 6ff32785e2bb42d085e53a36eb09038d
+timeCreated: 1746582361
\ No newline at end of file