First, open WeChat, click the search box, enter "health certificate" in the search box, and select "health certificate" in the pop-up options to enter the relevant page. Then, select the province, enter the page and click "online reservation". Next, choose the physical examination package that suits you, and choose according to your personal needs and budget. Fill in the relevant information of the medical examiner, including name, ID number, etc. Select the appointment date and physical examination time, and click "Confirm Appointment" to complete the appointment process.