1. Open WeChat, enter the "Me" interface, and then click "Service". After entering the "Service" interface, click "Epidemic Prevention Health Code".
2. After entering the "Epidemic Prevention Health Code" interface, click "View Epidemic Prevention Health Code" to enter the "Health Code" interface.
3. After entering the "Health Code" interface, click "Personal Center" to enter the "Personal Center" interface.
4. After entering the "Personal Center" interface, click "Register and Delete Personal Information" to enter the "Cancel Account" interface.
5. After entering the "account cancellation" interface, follow the steps to fill in the information for cancellation.