1, before the annual physical examination, you must be on an empty stomach in the morning, and you must not eat anything or drink water, otherwise it will have a certain impact on blood tests such as blood routine and liver function, and it will have a greater impact on blood sugar test results. 2. If you want a physical examination, the diet the night before must be light, you can't drink alcohol, and the diet can't be too spicy and greasy. If you are a lesbian, you should try to avoid the menstrual period, which is beneficial to gynecological examination. Some gynecological examinations can't be done during menstruation. 3, if you want a physical examination, you must pay attention to rest for the first two days, don't do strenuous exercise, and at the same time keep enough sleep and keep a good mood, so as not to affect the changes of various indicators, such as the specific indicators of transaminase, which will be good for the patient's health. It is easy to find diseases through subtle changes in various indicators. 4. Patients preparing for physical examination must know the items and details of physical examination before physical examination. If they feel unwell in any way, they must tell the doctor in advance, so that the doctor can focus on the examination, so that the doctor can help patients understand the relevant situation, carry out preventive treatment, or make comments or suggestions on some habits in life. 5. After the physical examination is completed and the indicators come out, everyone should ask the doctor according to their specific indicators to know their physical health in time. If they have sub-health constitution, they should consult a doctor for conditioning. Timely treatment of problems is of great significance to maintain long-term health. Note: Physical examination is routine, which is of great help to our health and disease prevention. Therefore, it is best to form a routine physical examination and receive a physical examination once a year, so as to really play a role in preventing diseases. If the disease is found, it can be treated early.