This one that doesn't need to be cancelled

will automatically become invalid after it expires, and a new health certificate will be required when it is needed in the future

It refers to the preventive health examination certificate, which proves that the examinee has the health quality required to do business. Health certificate mainly involves six diseases in five industries, which protects the health of employees and clients to a great extent. Health certificate refers to the pre-employment, pre-employment and school-age health examination conducted by the personnel engaged in food and drinking water production and management, those directly engaged in cosmetics production, those directly serving customers in public places, hazardous workers, radiation workers and students in school according to the provisions of national health laws and regulations.