diff --git a/grafana-tidb-dashboard.md b/grafana-tidb-dashboard.md
index 41888cd5ef4a0..cd50116239c18 100644
--- a/grafana-tidb-dashboard.md
+++ b/grafana-tidb-dashboard.md
@@ -113,6 +113,8 @@ To understand the key metrics displayed on the TiDB dashboard, check the followi
 - KV Request OPS: the execution times of a KV request, displayed according to TiKV
 - KV Request Duration 99 by store: the execution time of a KV request, displayed according to TiKV
 - KV Request Duration 99 by type: the execution time of a KV request, displayed according to the request type
+- Stale Read OPS: the number of Stale Read requests executed per second, which is divided into `hit` and `miss` categories
+- Stale Read Traffic: the traffic produced by Stale Read, which is divided into `hit` and `miss` categories
 
 ### PD Client