Health certificates can generally be used across cities, but also in the same province across cities. Handling a health certificate is only beneficial to the parties concerned. For a considerable number of staff, it is both costly and troublesome, and there is also the risk of unemployment.
Health certificate refers to the pre-post, pre-post and age-appropriate health examination for personnel engaged in food and drinking water production and management, personnel directly engaged in cosmetics production, personnel who directly serve customers in public places, hazardous workers, radiation workers and school students according to the provisions of national health laws and regulations.