Pre-operative preparation for facial wrinkle removal: 1, the patient and the doctor for an in-depth and comprehensive pre-operative conversation, the patient should understand the size of the operation, time, steps, the degree of pain, the speed of recovery, the possible results; possible risks; the doctor should understand the patient’s facial situation, the motivation for the operation, whether the expectations of the operation are realistic, etc. 2. Physical health examination: except for possible heart, lung, liver, blood, etc., medical diseases, cosmetic surgery patients are generally healthy people. Previous history of surgery, medication history, allergy history. Drugs that tend to increase the risk of surgery, such as aspirin, vitamin E, heparin, etc. stop using 1 to 2 weeks before; stop smoking, drinking, etc. 3. Wash your hair once a day for 3 days before surgery, shave your hair locally on the day of surgery, and weave pigtails to facilitate the surgery. The night before the operation, you can take appropriate sleeping drugs, and apply sedative and painkiller as appropriate half an hour before the operation; according to the anesthesia operation, decide whether you need to fast.