How to cancel the health certificate in the middle?

Cancelled in the labor and health department. Health certificate refers to the certificate of preventive health examination, which proves that the inspected has the health quality needed for business. According to relevant information, the health certificate can be cancelled by the labor and health department. After the application is passed, you can cancel your health certificate. Health certificate refers to those who produce and manage food and drinking water, those who directly engage in cosmetics production, those who directly serve customers in public places, hazardous workers, radiation workers and students at school. According to the national health regulations.