先天性聋哑是一种先天听力缺陷所致语言功能丧失的先天性疾病,它给家庭和社会带来了负担,给广大人民群众造成了很大的痛苦,。根据我国长春市区百万人口调查(1959)中发病率为万分之五。它的发病原因虽未十分明确,但已查明它的发生与遗传因素有着很大的关系。为了探讨先天性聋哑与遗传的发病关系,我们对海口市三个居民区进行了调查,兹将调查情况报告如 Congenital deaf-mute is a congenital disease caused by the loss of language function caused by congenital hearing deficits, which brings a burden to families and society and causes great suffering to the masses. According to China’s Changchun City Million Population Census (1959) in the incidence of five ten thousandths. Although the cause of its disease is not very clear, but it has been identified with the occurrence of genetic factors have a great relationship. In order to explore the relationship between congenital deaf-mute and genetic disease, we conducted a survey of three residential areas in Haikou City, we will report on the investigation, such as