1. Click "Settings" at the top of the email home page to enter the email settings page; 2. Select "General"-"Personalized Signature" to enter the signature editing page; 3. You can edit the multimedia signature in the graphic editing mode, as shown below: 4. You can also choose to use QQ space signature and flood signature; 5. Check Use Signature and click Save Changes. When writing a letter, you can see your personal signature in graphic editing mode.