1. Log in to WeChat on your mobile phone.

2. Click "Me" in the lower right corner of the WeChat interface.

3. When the personal center interface appears, click on the first item on the page, which is your WeChat name or avatar.

4. When the personal information interface appears, click the text "Avatar" to enter the WeChat avatar settings.

5. The WeChat avatar setting page pops up. You can choose to take a picture now or directly click on a picture you like from the album.

6. The preview interface appears, and you can capture the prominent parts of the photo.

7. After completion, just click "Use" in the upper right corner.

8. Return to the interface to see the changed avatar.