1临床资料1．1病例选择18例病人均为一侧性原发性面肌阵挛病患者，无其它严重器质性疾病，部分患者曾服用过安定、卡马西平、苯妥因纳等药物治疗无效，病程为30天～2年。男性7例，女性11例，年龄20～81岁。、1．2方法坐位，头正中位。在病侧乳突尖和下颌关节突连线中后1／3交界 1 Clinical data 1.1 Case Selection 18 patients were unilateral primary myofacial disease, no other serious organic disease, some patients had taken diazepam, carbamazepine, phenytoin, etc. Drug treatment is invalid, the duration of 30 days to 2 years. 7 males and 11 females, aged 20 to 81 years old. 1.2 The method of sitting, head is the median. Lateral mastoid tip and mandibular syndesmosis in the line after the 1/3 junction