先天性聋哑是聋哑常见致病原因之一,据各家报告统计,发病率约为3.7～30.1%。本病为常染色体隐性遗传,现就作者遇到一例报告如下。先证者(V_1),女性,8岁,双耳重度聋,出生至今不能说话,只能发出正常的哭笑声,通过手势表达感情。体检:表情自如,营养中等,头无畸形,双瞳孔等大, Congenital deaf and dumb is a common cause of deafness, according to various reports, the incidence rate of about 3.7 to 30.1%. The disease is autosomal recessive, now the author encountered a report is as follows. Probability (V_1), female, 8 years old, both ears severe deafness, born can not speak, can only issue normal laughter, express feelings through gestures. Physical examination: free expression, moderate nutrition, no head deformity, double pupil and other large,