Specific method: 1, find "My Butler" on the mobile phone and open it. 2. Click "Space Cleaning". 3. Click "WeChat Clean-up" in the space clean-up. 4. Click on "Chat Picture". 5. Select the photo to delete and click "Delete". 6. Select OK in the window that appears.
Wechat can also be cleared: open Wechat, click Settings, click Chat (chat records can be backed up and migrated in this interface), and click Clear Chat Records.