What does it mean that the teahouse has a health certificate?

Catering, medical and other industries need health certificates, which are generally handled by local health and epidemic prevention departments. If you are a service person, you must have a health certificate to enter the teahouse. To apply for a health certificate, it is necessary to carry out relevant physical examinations, mainly blood drawing and X-ray examination for infectious diseases. Generally, it's easier to handle. Pay.