遗传性周围性面神经瘫痪较为罕见,本文报告一家系8例,连续4代发病,男女均有罹患,符合常染色体显性遗传规律。先证者(Ⅳ_1),4岁,男孩。第1胎足月顺产,出生时面部不对称,口眼歪斜,随年龄增长稍有好转。无脑部疾病及抽搐史,活动反应正常。父母非近亲婚 Hereditary peripheral facial paralysis is relatively rare, the paper reported a family of 8 cases, the incidence of 4 consecutive generations, both men and women suffering from, consistent with autosomal dominant inheritance. Probation (IV_1), 4 years old, boy. The first full-term fetal abortion, facial asymmetry at birth, Kouyanwaixie, slightly improved with age. No brain disease and twitch history, activity was normal. Parents are not close relatives