The health certificate needs to be handled at the local epidemic prevention station or disease detection center. It can only be handled from Monday to Friday, not on holidays. The process of handling a health certificate is: first, have an empty stomach physical examination, then sort out personal data, have a health examination, and finally wait for a health certificate.
Because some necessary formalities and inspections need to be completed. On weekends and holidays, these institutions are closed or provide limited services. Therefore, if you need to apply for a health certificate, it is best to go to the relevant institutions on weekdays.