Mandibular angle plastic surgery is mainly aimed at the wide face of Chinese characters. The surgical method is to polish or remove the mandibular angle through the incision instrument in the oral cavity, so as to achieve the effect of thin face and improve facial lines. After mandibular angle plastic surgery, there will be swelling in different degrees on the face, which will gradually subside in 3-7 days. Surgery can be done about a week after mandibular angle plastic surgery, and you can go to work normally if necessary. It takes about 1 month for the operation to completely reduce swelling. The masseter muscle itself will rebuild and shrink in 3-6 months because of the change of attachment position and muscle tension, so the best mandibular angle plastic effect will be achieved in about 6 months. The operation has fully recovered. After mandibular angle resection, the facial skin will not relax, and the skin has certain elasticity and self-recovery ability. Therefore, mm who is doing mandibular angle plastic surgery need not worry. However, in order to avoid the inconsistency between the two sides of the face after operation, it is recommended to choose an experienced expert for surgery.