1, some serious diseases, such as heart disease or physical disability, can not adapt to the corresponding work;
2. There may be major infectious diseases, such as active tuberculosis, which pose a great threat to the patient himself or the people around him, and it is impossible to apply for a health certificate;
3. People with intestinal infectious diseases, such as typhoid fever, cholera, paratyphoid fever and bacillary dysentery, cannot engage in work related to diet, drinking water and medicines, and cannot apply for health certificates;
4. In the case that liver function is obviously abnormal and transaminase is obviously increased, you need to wait until it is normal before you can apply for a health certificate.
Legal basis:
Article 45 of People's Republic of China (PRC) Food Safety Law
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 administrative department of health 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 46
Food production enterprises shall formulate and implement control requirements for the following matters to ensure that the food they produce meets food safety standards:
(a) raw material procurement, raw material acceptance, feeding and other raw material control;
(two) the control of key production links such as production technology, equipment, storage and packaging;
(3) Inspection and control of raw materials, semi-finished products and finished products;
(4) Transportation and delivery control.