Analysis:
1. Basically, you can apply for a health certificate online in all places.
2. Basically, you need to register first, then enter relevant personal information and apply for a health certificate.
3. The general process is to register online first. Fill in personal information and related information after registration. After completing the form, you should submit an appointment and then go to the on-site physical examination at the appointed time. Issue a health certificate on the spot immediately after passing the medical examination.