智力低下是造成儿童精神残疾的重要原因之一，直接影响儿童素质。为防治儿童智力低下的发生，我们对43例智力低下患儿进行了临床分析，寻找可能致病因素，并提出智力低下防治的相应措施。1一般资料智力低下的评估，根据CCMD—2—R有关精神发育迟滞的诊断标难。智商测定采用韦氏 Mental retardation is one of the important causes of mental disability in children, which directly affects children’s quality. To prevent the occurrence of mental retardation in children, we conducted a clinical analysis of 43 children with mental retardation, looking for possible pathogenic factors, and put forward corresponding measures to prevent and treat mental retardation. 1 General Information Mental retardation assessment based on CCMD-2-R diagnostic criteria for mental retardation. Wechsler’s determination of IQ