diff --git a/README.md b/README.md
index 1bb34299bc0ae..d4f38ad22cdc3 100644
--- a/README.md
+++ b/README.md
@@ -8,6 +8,7 @@
 [![GitHub release date](https://img.shields.io/github/release-date/pingcap/tidb.svg)](https://github.com/pingcap/tidb/releases)
 [![CircleCI Status](https://circleci.com/gh/pingcap/tidb.svg?style=shield)](https://circleci.com/gh/pingcap/tidb)
 [![Coverage Status](https://codecov.io/gh/pingcap/tidb/branch/master/graph/badge.svg)](https://codecov.io/gh/pingcap/tidb)
+[![GoDoc](https://img.shields.io/badge/Godoc-reference-blue.svg)](https://godoc.org/github.com/pingcap/tidb)
 
 - [**Stack Overflow**](https://stackoverflow.com/questions/tagged/tidb)
 - Community [**Slack Channel**](https://pingcap.com/tidbslack/)