Shengjia’s new face carving center! ! The method of long curved mandibular angle osteotomy is used, which is safe and reliable. Mandibular angle plastic surgery is a facial contour reconstruction surgery that corrects an enlarged mandibular angle. Through surgery, the mandibular angle under the ear and the overly protruding part of the mandibular edge are corrected to restore the normal mandibular angle shape and make the face slimmer.