Hello, mandibular angle plastic surgery is a mature and safe cosmetic surgery. Mandibular angle plastic surgery needs an experienced mandibular angle plastic surgeon to ensure the safety of mandibular angle plastic surgery. Any cosmetic surgery has certain risks. Before mandibular angle plastic surgery, we should do various routine physical examinations. Two weeks before the operation, you should stop taking aspirin, vitamin E and other blood-activating drugs and traditional Chinese medicine, and don't have surgery during menstruation.