本文目的是描述用正畸和外科手术综合治疗骨性牙颌畸形1例。病例报告:男,20岁。临床检查和X线头影测量结果为严重的Ⅱ类2分类错(牙合)。前牙复(牙合)极深,达上颌中切牙与前庭深部粘膜接触的程度。除第二磨牙外,余牙均为(牙合)锁关系。双侧下第一磨牙缺失,下切牙严重拥挤,面下份高度短,颏部突出,颏沟加深, The purpose of this article is to describe a case of orthodontic and surgical treatment of skeletal deformity. Case Report: Male, 20 years old. Clinical examination and X-cephalometry results were severe Class II, Class II malocclusion. Complex anterior teeth complex (occlusal) extremely deep, maxillary central incisors and vestibular deep mucosal contact degree. In addition to the second molar, the remaining teeth are (occlusion) lock relationship. Both sides of the first molar missing, the incision under severe crowding, under the face of a short height, prominent chin, deepening of the glenoid,