Hello, the preoperative preparations to be made before breast plastic surgery are: do not take aspirin for two weeks before breast augmentation; Patients with hypertension and diabetes should inform the doctor of their condition at the first visit so that the doctor can confirm the operation plan; Make sure that you are in good health before the operation, and there is no infectious disease or other body inflammation; It is not suitable for surgery during menstrual period, pregnancy and lactation for 6 months.