diff --git a/tidb-configuration-file.md b/tidb-configuration-file.md
index 7f56557e70f0b..bf0293d9af93c 100644
--- a/tidb-configuration-file.md
+++ b/tidb-configuration-file.md
@@ -353,6 +353,11 @@ Configuration items related to performance.
 - Determines whether to enable `keepalive` in the TCP layer.
 - Default value: `true`
 
+### `tcp-no-delay`
+
+- Determines whether to enable TCP_NODELAY at the TCP layer. After it is enabled, TiDB disables the Nagle algorithm in the TCP/IP protocol and allows sending small data packets to reduce network latency. This is suitable for latency-sensitive applications with a small transmission volume of data.
+- Default value: `true`
+
 ### `cross-join`
 
 - Default value: `true`