diff --git a/sync.go b/sync.go
index 470d0b0..1cf6e64 100644
--- a/sync.go
+++ b/sync.go
@@ -57,6 +57,15 @@ func (this *ConcurrentMap[T1, T2]) Range(f func(key T1, value T2) bool) {
 	})
 }
 
+func (this *ConcurrentMap[T1, T2]) GetSize() int {
+	var size int
+	this.kvHash.Range(func (key, value interface{}) bool {
+		size += 1
+		return true
+	})
+	return size
+}
+
 func (this *ConcurrentMap[T1, T2]) Store(key T1, value T2) {
 	this.kvHash.Store(key, value)
 }