diff --git a/README.md b/README.md
index fa7dd05..129cbbb 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,14 @@
 # notifier
 Golang tool to send notifications to LINE app
+
+## How to use
+```
+echo "send msg" | go run main.go
+cat list.txt | go run main.go
+```
+
+![image](https://user-images.githubusercontent.com/36522826/133063896-7e486613-97a5-4860-9801-f0256be3c5f2.png)
+
+## Checklist
+- [ ] Adding banner
+- [ ] Can change apikey value inside `.config/notifier/key.json