Hello, this friend. Precautions before breast plastic surgery: 1. Do not take drugs containing aspirin within two weeks before operation, because aspirin will reduce platelet coagulation function; 2. Patients with hypertension and diabetes should inform the doctor of their condition at the time of initial diagnosis, so that the attending doctor can confirm the operation plan; 3. Make sure that you are in good health before the operation, and there is no infectious disease or other body inflammation; 4, menstrual period, pregnancy, lactation for 6 months is not suitable for surgery.