Yes, many industries don't. The following five industries must. According to the Food Safety Law, Regulations on Hygiene Management in Public Places and other laws and regulations, relevant personnel engaged in food production and management, public service, professional production of cosmetics, disposable medical and health care products, toxic and hazardous and radioactive operations, and child care institutions must hold health certificates. A health certificate is a health examination certificate, which proves that you have started a health examination. It mainly involves six diseases in five industries, which greatly protects the health of employees and customers.
skill
The above answer is only for the current information combined with my understanding of the law, please refer carefully!
If you still have questions about this issue, I suggest you sort out relevant information and communicate with professionals in detail.