Generally used in catering industry, it is placed in the position of hygiene license for customers and inspectors to see. The health certificate requires individuals to go to the street hospital designated by the local community service center with their ID cards. On the day of treatment, he had to have an empty stomach because he needed blood, and then he had a series of physical examinations. After that, he can get the exam results in a week or so. If there is no problem, he can get a health certificate.