According to the Food Safety Law, Regulations on Hygiene Management in Public Places and other laws and regulations, relevant personnel engaged in food production and management, public service, professional production of cosmetics, disposable medical and health care products, toxic and hazardous and radioactive operations, and child care institutions must hold health certificates. The main diseases involved in health examination are dysentery, typhoid fever, active tuberculosis, dermatosis (infectious) and other infectious diseases. If you find these diseases, don't engage in hairdressing and beauty, direct contact with imported food, public toilets and other work that directly serves customers. You can only work if you are cured. On June 1 2009, China formally implemented the new Food Safety Law, and on July 20, 2009, the implementation regulations were promulgated.

, allowing hepatitis B virus carriers to engage in the food industry. Therefore, hepatitis B virus carriers can also legally apply for health certificates. Health certificate examination items: routine medical examination and surgical examination; Liver function (alt); Stool culture (dysentery, typhoid Bacillus), chest fluoroscopy.