According to the Food Hygiene Law, Regulations on Hygiene Management in Public Places and other laws and regulations, relevant personnel engaged in food production and management, public service, cosmetics, disposable medical and health care products and other professional production, toxic and hazardous and radioactive operations, and kindergartens 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 direct contact with imported food, hairdressing and beauty salons, public bathrooms and other work that directly serves customers. You can only work after you are cured.