How to ask the boss whether to submit a health certificate for reimbursement?

Just ask directly and the company will reimburse you.

Generally speaking, the cost of handling a health certificate is not directly related to the labor law, but depends on the specific provisions of the unit. If the unit should train the workers because of work needs, and it is suitable for post distribution, and give employees certain labor protection, then the cost of handling health certificates and training fees shall be borne by the unit.

Health certificate refers to the proof of preventive health examination, which proves that the examinee has the health quality to engage in the prescribed business. Health certificate mainly involves six diseases in five industries, which largely protects the health of employees and clients. 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.