Many mothers are worried about their children’s developmental delay, if it is slow physical development, the first thing you need to do is to arrange a reasonable diet, comprehensive and balanced nutrition, etc. If it is delayed language development to learn more imitation, let the child have more contact with the outside world. Slow physical development: For children with slow physical development, we should first pay attention to the child’s diet and life, in terms of diet, we should pay attention to the intake of comprehensive nutrition, and cultivate good eating habits of the child, which can enhance appetite; the main sufficient sleep; appropriate increase in physical activity. If the annual growth rate of school-age children is lower than 4-5 cm, and the effect of the above conditioning is not obvious, or for those children with family hereditary short stature, go to a specialist hospital for examination as early as possible to diagnose and treat them. Slow language development: For children with slow language development, hearing problems should be excluded. Parents should communicate with them more and at the same time let them learn to speak. Parents should encourage their children to express themselves more; they should give them warmth to promote their speech; at the same time, they should let their babies have more contact with society and nature, so that their lives will gradually be colorful, and when they have made more friends, they will have the motivation to want to talk. If necessary, go to a specialized institution for examination. Children with developmental delays need to be treated actively, otherwise it is easy for them to fall into the cage of low self-esteem and autism, as parents should give more encouragement and warmth to their children, so that they can look forward to the world.