1. Log in to WeChat with your mobile phone, and click the "+"in the upper right corner of the discovery page.
2. In the pop-up option box, select Add Friend.
3. Write down the mobile phone number of the teacher to be added in the top search box and click Search, or save the other person's mobile phone number in the address book. You can click Add Mobile Contact.
4. Search the other party's account "Add to Address Book", send the verification code, and wait for the other party to pass the verification, then the addition can be successful.