实践证明，耳聋病因的明确与否直接关系到聋儿康复训练的过程和效果，但是由于受到言语障碍、交流障碍等方面的影响，许多小儿耳聋的病因追踪十分困难。鉴于目前的医疗条件，病史的调查在探求小儿耳聋病因方面有着任何检查设备不能取代的作用。为保证病史的全面性和系统性，从 Practice has proved that the cause of deafness is directly related to the deaf child rehabilitation training process and effectiveness, but due to speech disorders, communication barriers and other aspects of many children with deafness is very difficult to track the cause. In view of the current medical conditions, the investigation of the medical history has the effect that any examination equipment can not be replaced in the search for the cause of children with deafness. To ensure the comprehensive and systematic medical history