舌下-面神经吻合术是治疗桥小脑角肿瘤术后面瘫常用手术,报道一组病例并复习文献,阐述了手术指征、时机、方法、疗效及其影响因素。施术22例,男13,女9例。年龄16～69岁,平均47.3岁。听神经瘤20例,面神经瘤1例,岩尖脑膜瘤1例。肿瘤平均为3.3cm。肿瘤切除吻合术间隔12天～17月,平均6.4个月。手术方法:分离面神经的二腹肌支至茎乳孔面神经干,若茎乳孔处未见面神经干,可作乳突切除术解剖出面神经骨管。将面神经干远端与 Sublingual-facial nerve anastomosis is a common operation for facial paralysis of cervicocerebral angle tumors after surgery. A series of cases were reported and the literature reviewed. The indications, timing, methods, curative effects and influencing factors were described. The operation was performed in 22 patients, including 13 males and 9 females. Age 16 to 69 years old, average 47.3 years old. There were 20 cases of acoustic neuroma, 1 case of facial nerve aneurysm, and 1 case of rocky meningiomas. The average tumor size was 3.3 cm. The tumor resection and anastomosis interval was 12 days to 17 months with an average of 6.4 months. Surgical methods: The digastric muscle branch of the facial nerve is separated from the facial nerve stem of the sacral foramen, and if the facial nerve stem is not seen at the stylomastoid foramen, the facial nerve canal bone can be dissected for mastoidectomy. The distal facial nerve will be