弱智儿童的早期教育和训练包括五个方面的内容。大运动指姿式或全身的活动。比如俯卧抬头、坐、爬、站、走、跑等。从发展看,这些动作都按一定的顺序在一定的月龄范围出现,智力落后儿童就不在一定月龄范围出现。如果一个孩子的坐、站、走等比同龄儿童晚出现,而且晚得比较多,比如四五个月,那么他就有发展落后的危险。许多智力落后儿童早期就是从 Early childhood education and training of mentally retarded children includes five aspects. Big exercise refers to posture or whole body activity. Such as prone head, sit, climb, stand, go, run and so on. From the development perspective, these actions are in a certain order in a certain range of months of age, children with mental retardation do not appear in a certain age range. If a child sits, stops and walks later than his or her children, and late in the evening, for example, four or five months, he is in danger of developing backwardness. Many intellectually backward children are from early