diff --git a/doc/howto/dev/build_cn.md b/doc/howto/dev/build_cn.md
index 0077d901187ba152789a735fcf66987d46c0d49d..79b4ff9d5a6fde88daead2ee3b111fc10756cffa 100644
--- a/doc/howto/dev/build_cn.md
+++ b/doc/howto/dev/build_cn.md
@@ -53,6 +53,12 @@
    docker run -v $PWD:/paddle paddle:dev bash -c "cd /paddle/build; ctest"
    ```
 
+   有时候我们只想运行一个特定的单元测试，比如 `memory_test`，我们可以
+
+   ```bash
+   docker run -v $PWD:/paddle paddle:dev bash -c "cd /paddle/build; ctest -V -R memory_test"
+   ```
+
 ## 为什么要 Docker 呀？
 
 - 什么是 Docker?
diff --git a/doc/howto/dev/build_en.md b/doc/howto/dev/build_en.md
index 95752beba0b3ffbf960b7ae1ceb30f8aea73d5a0..e1b55929f9685b5ac6ed6d8dbbac431ac3cc6392 100644
--- a/doc/howto/dev/build_en.md
+++ b/doc/howto/dev/build_en.md
@@ -53,6 +53,12 @@ Nothing else.  Not even Python and GCC, because you can install all build tools
    docker run -v $PWD:/paddle paddle:dev bash -c "cd /paddle/build; ctest"
    ```
 
+   Sometimes we want to run a specific unit test, say `memory_test`, we can run
+
+   ```bash
+   docker run -v $PWD:/paddle paddle:dev bash -c "cd /paddle/build; ctest -V -R memory_test"
+   ```
+
 ## Docker, Or Not?
 
 - What is Docker?