In recent years, the students in the schools for the mentally retarded tend to be diversification, mainly including the children with moderate and severe intelligence disability, also including the children with autism, cerebral palsy and others, which increasing the differences among the students. 近年来,我国辅读学校教育对象趋向多样化,以中、重度智力障碍儿童为主,同时招收自闭症、脑瘫等其他类型障碍儿童,教学对象的多样化加剧了学生间的个体差异。