There are several precautions before the entry-level physical examination as follows: First of all, you must relax and ensure sufficient rest. Secondly, we must pay attention to not drinking alcohol within 1-2 weeks before the medical checkup, and pay attention to a light diet, do not eat high purine, high protein, high fat food, high purine food will affect the test results of uric acid, high fat food affects the level of triglyceride detection. Again, be careful not to exercise strenuously, the human nervous system will be more excited during strenuous exercise, affecting the test of some indicators in the body. The night before the physical examination, especially pay attention to a light diet, do not eat anything 8 hours before the physical examination, and pay attention to carry my ID card on the day of the physical examination. In the process of physical examination, we should check the items that require fasting and blood sampling first, and then check the items that can be carried out after meals, so as not to have missed items.