diff --git a/YYImage/YYAnimatedImageView.h b/YYImage/YYAnimatedImageView.h
index e70a654..6c2e9d9 100644
--- a/YYImage/YYAnimatedImageView.h
+++ b/YYImage/YYAnimatedImageView.h
@@ -80,6 +80,11 @@ NS_ASSUME_NONNULL_BEGIN
  */
 @property (nonatomic) NSUInteger maxBufferSize;
 
+/**
+ Adds a callback at the end of a loop
+ */
+@property (nonatomic, copy) void(^loopCompletionBlock)(NSUInteger loopCountRemaining);
+
 @end
 
 
diff --git a/YYImage/YYAnimatedImageView.m b/YYImage/YYAnimatedImageView.m
index 5f2bcb4..7402587 100644
--- a/YYImage/YYAnimatedImageView.m
+++ b/YYImage/YYAnimatedImageView.m
@@ -498,6 +498,9 @@ - (void)step:(CADisplayLink *)link {
              [self willChangeValueForKey:@"currentAnimatedImageIndex"];
              _curIndex = nextIndex;
              [self didChangeValueForKey:@"currentAnimatedImageIndex"];
+             if (_curIndex + 1 == _totalFrameCount && self.loopCompletionBlock) {
+                 self.loopCompletionBlock(_totalLoop - _curLoop);
+             }
              _curFrame = bufferedImage == (id)[NSNull null] ? nil : bufferedImage;
              if (_curImageHasContentsRect) {
                  _curContentsRect = [image animatedImageContentsRectAtIndex:_curIndex];