1. Open the mobile phone WeChat -Me, as shown in the figure:
2. Select the small arrow on the right of the avatar, as shown:
3. After entering, select "More Information", as shown:
4. In the "more information", find the "personal signature", as shown:
5. Then open the personalized signature, edit a paragraph in the input box, and click "Save" in the upper right corner, as shown:
After following the above steps, others will see the words under your head from your circle of friends.