It is free to go to the hospital designated by the Health Bureau to apply for a health certificate. According to the regulations of the Health Bureau, workers in catering, hotels and other service industries must hold health certificates before they can take up their posts. Moreover, in order to prevent someone from using someone else's health certificate, they must go to the hospital designated by the Health Bureau to apply for a health certificate, and they must use their own ID card to authenticate and have a free physical examination. The photo of health certificate is consistent with the ID card. Therefore, it is free to apply for a health certificate and go to the hospital designated by the Health Bureau.