diff --git a/README.md b/README.md
index 019d1ab..0defc02 100644
--- a/README.md
+++ b/README.md
@@ -1 +1,9 @@
 # simple_dhcp
+## start dhcp server
+```
+python3 dhcp_server.py
+```
+## start dhcp client
+```
+python3 dhcp_client.py
+```