First, on the smart phone, open WeChat, enter your account and password, and log in to your own WeChat.

On the page of entering WeChat, select and click "Address Book".

After entering the address book, select the friend icon that needs to be commented and marked.

Enter the friend details page where you need to set comments and tags. Click on the top right corner and a list will pop up. Click "Set Notes and Labels".

Enter the page of setting note information. Drop-down view can set labels, descriptions and pictures.

After setting the comment information, click "Finish" in the upper right corner.