The method of shaping the Chinese character face includes: extraoral incision: make a 3-5 cm incision at the mandibular angle and remove the mandibular angle. Advantages: the operation is performed under direct vision, which is safer; The masticatory muscles can be cut off at the same time without complicated equipment and instruments; Complete intraoral incision: it is a better surgical method at present. It is to use a 3 cm -4 cm incision in the oral cavity to cut off the hypertrophy of the mandibular angle, and at the same time, it can cut off or grind off the mandibular outer plate and mandibular margin, and can cut off part of the masseter muscle.