Objective To study the effect of conductive education combined with auditory integration training on mental retardation(MR)in preschool children. Methods A total of 61 preschool children with MR were randomly divided into two groups.In control group,the children were assigned to receive family training at home,such as sensory integration,living skills and social adaptation ability training.In treatment group,the children received family training and a comprehensive rehabilitation treatment of conductive edu...