Jaw angle enlargement, jaw edge osteotomy is the use of jaw bone osteotomy apparatus, the jaw angle “cut” down, this method to remove the jaw angle of the largest amount of change, the most obvious effect, mainly for the jaw angle protrusion outward, the bone is too wide face shape. A proper and reasonable removal of the jawbone does not cause changes in bone stress and is not harmful. The skin of the organism possesses elasticity and the skin tissue will automatically retract. It is also necessary to wear a neck and jaw brace for a certain period of time after surgery to help better recovery. When choosing jaw angle osteotomy, the public aesthetics has been in the process of change, and now more and more people are pursuing the advanced beauty with a clear sense of facial lines. It is important to start according to your own situation and not to blindly pursue excessive osteotomy to avoid serious harm. The jaw angle surgery is not a minor surgery, the surgery is irreversible, belongs to the fourth level of surgery, the operation process is complex, difficult, the risk is greater than other plastic surgery, need to be in a tertiary plastic surgery hospital, as well as a tertiary general hospital with plastic surgery for surgical operations. In order to guarantee the safety and results of the surgery, it is important to choose the hospital and the surgeon carefully, choose a doctor with reliable technology and trustworthy medical ethics, and design a surgical plan that takes into account your own situation and the doctor’s recommendations.