If you are dissatisfied with the effect, you can fix it. Chinese character face is caused by hypertrophy and eversion of mandibular angle, which can be improved by grinding mandibular angle. Mandibular angle grinding adopts intravenous anesthesia to select the most suitable incision method. The operation is fast and safe, with little trauma and no scars. The mandibular angle is smooth and the face shape is natural after operation, which is the first choice to improve the Chinese character face.