1. Open the Alipay application and log in to the account.
2. Click the "More" or "Healthcare" tab on the home page.
3. After entering the medical interface, click "Registration Record".
4. Check the specific information of your appointment, including registration time, hospital, etc.
5. Select the record you want to cancel the reservation.
6. Click the "Cancel Booking" button on the right side of the record.
7. A confirmation prompt will be displayed. Please make sure you understand the next operation, and then click OK to continue.
8. Finally, the system will guide you to confirm the reason for canceling the appointment, and click "Confirm Cancel" to complete the whole process.
9. After the cancellation is successful, a "cancelled" prompt will be displayed on the page, indicating that the appointment has been removed.