2. Secondly, the Dongguan Real Estate Registration Center needs to click on the online appointment to cancel the appointment.
3. Then Dongguan Real Estate Registration Center needs real-name authentication to cancel the appointment, and click "Face Recognition Verification".
4. Finally, cancel the appointment. Dongguan Real Estate Registration Center needs to click "My Appointment", then click "Being Appointed", and finally click "Cancel" to cancel the appointment.