Objective     To explore the clinical indications and operation points of different surgical methods of reduction mandibuloplasty.      Methods     Ninety-five patients were divided into three groups according to their clinical manifestations’ mild hypertrophic mandibular angle

mandibular angle hypertrophy with varus

and mandibular angle hypertrophy with valgus. A simple abrading procedure through the intraoral approach was performed on patients with mild hypertrophic mandibular angle. The arc line osteotomy was added to correct the introversion of hypertrophic mandibular angle

and the sagittal split osteotomy was added for eversion of hypertrophic mandibular angle.      Results     Among the 95 patients who underwent surgery

57 patients had postoperative follow-up within 12 months. Most of the patients’ faces became shaper and smaller

and the patients were satisfied with the improvement in their facial appearance. There were 4 patients of masseter muscle hypertrophy. These patients then received masseter injection of kreotoxin and were satisfied with the effect. Three patients had postoperative hematoma and swelling because of facial artery injury during the operation and obstructed drainage after the operation. Swelling subsided after blood was cleared and drained by puncture in 2 patients and small extraoral incision in the third. The appearances were satisfactory 3 months later.      Conclusion     Choosing the proper surgical method of reduction mandibuloplasty according to different clinical manifestations of patients with mandibular angle hypertrophy has good treatment outcome and is suitable for clinical application.