diff --git a/README.md b/README.md
index 585a1316..5fb7d7b7 100644
--- a/README.md
+++ b/README.md
@@ -30,6 +30,8 @@ There are three scenarios to use KubeKey.
* **CentOS/RHEL** *7*
* **SUSE Linux Enterprise Server** *15*
+> Recommended Linux Kernel Version: `4.15 or later` \
+> You can run the `uname -srm` command to check the Linux Kernel Version.
### Kubernetes Versions
diff --git a/README_zh-CN.md b/README_zh-CN.md
index 5d29e71a..196d7171 100644
--- a/README_zh-CN.md
+++ b/README_zh-CN.md
@@ -30,6 +30,8 @@
* **CentOS/RHEL** *7*
* **SUSE Linux Enterprise Server** *15*
+> 建议使用 Linux Kernel 版本: `4.15 or later` \
+> 可以通过命令 `uname -srm` 查看 Linux Kernel 版本。
### Kubernetes 版本