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.
There are two kinds of health certificates: one is general health certificate. Then the other is the food health certificate, which is needed by people in the catering industry.