According to the public health network, the contents of physical examination before entering the food factory mainly include blood routine, urine routine, liver function, physical examination and so on. Through the examination, we can know the health status of the body in time and avoid some infectious diseases. Moreover, during the examination, it is generally necessary to carry out the examination on an empty stomach, which can improve the examination results, and the accuracy needs to be more than 8 hours on an empty stomach. You need to keep a happy mood during the exam.