Health certificates are divided into the following categories: \ x0d \1; Physical examination category: \x0d\A: Physical examination of employees in catering industry, food factory, canteen, water plant and water dispenser factory. \x0d\B: Physical examination of employees in tourism, culture and entertainment, beauty salons, shopping malls, cosmetics factories, health centers and other industries. \x0d\C: general occupational physical examination of general factories and enterprises \x0d\D: physical examination of electricians, elevator workers, boiler workers and other high-temperature and aerial workers \x0d\E: annual physical examination of drivers. \ x0d \ test items: same as Class A. \ x0d \ c test items: general examination, internal surgery and facial examination, ALT, chest X-ray, blood routine, blood type (optional) \ x0d \ d test items: Class C physical examination items+electrocardiogram examination. \x0d\\x0d\ above are the rules, but what we usually say is not so detailed. There are only two kinds of health certificates: Class A refers to all industries that come into contact with food or processed food, and Class B refers to non-food industries including employees in public places. \x0d\ At present, I don't even check hepatitis B for my health certificate. \x0d\ Please accept the answer and support me.