智残儿童指的是智商较低、对周围环境适应性表现出行为障碍的儿童,病因包括智力发育期间有害因素导致的精神不全或者智力发育迟缓。智残儿童在成长过程中由于各种因素造成智力低下,存在着对周边环境反应迟钝、注意力分散,并显示观察力、判断力等认知活动的障碍,同时伴有协调性差、情绪不稳定、适应能力低等问题。这些缺陷,给智残儿童的各个方面带来极大的困难,包括心理发育、人际交往、独立生活等问题。智残儿童目前在医学上没有有效治 Mentally handicapped children refer to children with low IQ and behavioral disorders that are adaptive to their surroundings, including etiology, mental retardation or mental retardation due to detrimental factors during mental development. Children with mental retardation due to various factors in the process of mental retardation, there is a slow response to the surrounding environment, distractions, and display the power of observation, judgment and other cognitive disorders, accompanied by poor coordination, emotional instability , Low adaptability problems. These defects bring great difficulties to all aspects of mentally-disabled children, including psychological development, interpersonal communication and independent living. Children with intellectual disabilities are currently not medically valid