Jaw plastic surgery is relatively good, with high safety, few postoperative reactions and low incidence of complications. The wound is small, the trauma is light, the operation time is short, the local swelling is slight, and hospitalization is not needed. The operation has a short recovery period and can be carried out together with similar plastic surgery projects. Bone grinding plastic surgery is easy to cause sequelae of bone grinding, make facial morphology abnormal, and may cause complications, such as facial numbness, facial muscle distortion, left-right asymmetric hematoma and so on.