First of all, under normal circumstances, it is mainly to check the liver function of the human body, and it is best not to eat it. Therefore, the physical examination of health certificate should be on an empty stomach, so that the examination results will be more accurate, and if you eat, it will interfere with the examination results. If you have already had breakfast, you'd better not have a physical examination. You can have a physical examination after the next day.
In fact, getting a health certificate is to ensure everyone's safety, especially in industries that come into contact with people's entry items. In order to provide convenience for the majority of employees, it is completely free to apply for health certificates now. People can apply for a health certificate at any time as long as they follow the normal working hours of the health inspection department.
Finally, don't secretly refuse to apply for a health certificate for fear of trouble. This is a sign of being responsible for yourself and others. Many important departments will be punished without health certificates, and in serious cases, they will be asked to suspend business for rectification. Therefore, it is very necessary to apply for a health certificate.