Precautions before surgery: 1. Please do not smoke for several days before surgery to reduce bleeding during surgery. Minimize the consumption of alcohol. 2.People with systemic diseases such as hypertension, heart disease and diabetes should tell the doctor when booking the surgery. 3.People who take anticoagulant drugs, such as aspirin, etc., regardless of the dose, please tell the doctor so that he or she can determine whether the surgery can be performed. If it is not necessary, please stop taking such medication for 1 week. 4.Please take a bath the day before the surgery. 5.Please bring the antimicrobial medication prescribed by the doctor on the day of surgery. 6.Please wear loose-fitting clothes on the day of surgery. 7.If the surgery site is hairy, please shave it beforehand (especially the scalp). 8.Do not ride a bicycle to receive the surgery as much as possible to avoid bleeding from the wound caused by strenuous exercise after the surgery. 9.The current payment is only the basic surgical cost, and additional charges may be required depending on the specific situation, such as the cost of internal sutures, electric coagulation, etc. Precautions after surgery: 1.Please do not do strenuous exercise after surgery, and please try not to ride a bicycle home. 2.Please do not smoke and do not drink alcohol for one week after surgery. 3.After surgery, please perform wound dressing change and necessary medication according to medical advice. 4.In order to promote good wound healing, please follow the doctor’s instructions to reduce certain posture of activities. 5.Please follow the doctor’s request to come to the stitch removal on time. 6.If there is any serious discomfort or complication of the surgical wound, please contact the surgeon in time. 7.In order to reduce the development of surgical scars, it is recommended to limit the postoperative trauma activities, avoid light, and use relevant medications under the guidance of the doctor.