diff --git a/README.md b/README.md
index a482f65..ee47fe6 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,12 @@
 # structure
 
 暂时没时间整理, 后期才整理完整
+
+## PriorityQueue
+
+``` golang
+pq := pqueuekey.New(compare.Int)
+pq.Push(1, 1)
+pq.Push(2, 2)
+v = pq.Pop() // v = 2
+```