hello, dear, I'm glad to answer your questions. The health certificate for catering can be used by other industries. Related information: The catering industry and the baking industry belong to the same administrative region, as long as the same health certificate can be used within the validity period. The health certificates of employees are classified, just like the driver's license. The specific health certificates are divided into the following categories: 1. Physical examination category: Class A: Physical examination of employees in catering industry, food factory, canteen, water plant and water dispenser factory. Class B: Physical examination of employees in tourism, culture and entertainment, beauty salons, shopping malls, cosmetics factories, health centers, etc. Class C: Physical examination of general occupations in general factories and enterprises. Class D: Physical examination of electricians, elevator workers, boiler workers and other high-temperature and high-altitude workers. Class E: Annual physical examination of drivers. Physical examination items of various physical examination categories: Class A physical examination items: general examination, internal surgery and facial examination, ALT, stool examination, etc. Class b inspection items: same as class a. Class C examination items: general examination, internal surgery and facial examination, ALT, chest X-ray, blood routine and blood type (optional) Class D examination items: Class C physical examination items+electrocardiogram examination.