In 20021year, it is not necessary to check hepatitis B. According to the relevant regulations, viral hepatitis such as hepatitis B and hepatitis C is no longer included in the physical examination of health certificate. Although hepatitis B is contagious, the main transmission routes of hepatitis B are blood transmission, sexual transmission and vertical transmission from mother to child, not intestinal transmission. Therefore, hepatitis B will not be transmitted through diet, and it will not be transmitted if the liver function is normal. In addition to preschool education, hepatitis B and hepatitis B virus carriers can apply for health certificates.

People's Republic of China (PRC) Food Safety Law

Article 45

Food producers and business operators shall establish and implement the health management system for employees. Persons suffering from diseases that hinder food safety as stipulated by the health administrative department of the State Council shall not engage in direct contact with imported food;

Food production and marketing personnel engaged in direct contact with imported food shall undergo annual health examination and obtain health certificates before taking up their posts. Article 24

The formulation of food safety standards should be scientific, reasonable, safe and reliable, with the aim of ensuring public health.