According to the law, there are two types of health certificates, and hepatitis B patients are not able to apply for health certificates to engage in the food industry. Engaged in the general industry health certificate can be handled, but also need to be chronic hepatitis B virus carries can. Article 42 of the Law of the People's Republic of China on Labor Contracts: The employer shall not terminate the labor contract in accordance with the provisions of Article 40 and Article 41 of this Law if the worker has one of the following circumstances: (a) the worker engaged in the operation of exposure to occupational disease hazards has not carried out the pre-departure occupational health examination, or the patient with suspected occupational disease is under diagnosis or medical observation; (b) the worker suffers from occupational disease in the unit or is injured at work and is confirmed to have lost the ability to work. work-related injury and is recognized to have lost or partially lost the ability to work; (3) illness or non-work-related injury within the prescribed medical treatment period; (4) female workers during pregnancy, maternity or breastfeeding; (5) fifteen years of continuous employment in the unit and less than five years from the legal retirement age; (6) other cases stipulated by laws and administrative regulations.

"The Chinese People's **** and the State Food Safety Law" Article 45 food production and operation shall establish and implement the health management system for employees. Suffering from the state council administrative department of health regulations hinder food safety disease, shall not engage in contact with direct food work. Engaged in direct contact with food production and operation of food production and management personnel should be conducted annually for health checks, obtain a health certificate before going to work.