At present, China’s catering industry employees in the health examination, has been abolished in the physical examination of hepatitis B, that is, the health certificate process has no longer check hepatitis B, so hepatitis B carriers can do catering. The reason is that although hepatitis B is a legal category B infectious disease, hepatitis B is transmitted by blood, sex, mother to child transmission, and not through food, water and utensils, which is the real reason why it was removed from the medical examination program for health certificates. The same viral hepatitis A and hepatitis E as a mandatory test items, the reason is that these two hepatitis virus is a digestive tract virus, can be transmitted through the fecal – oral route, that is, you can eat into the virus and lead to infection, so suffering from hepatitis A and E can not work in the restaurant industry.