The development of the baby’s nerve activity has a certain regularity. This rule is determined by the degree of maturity of the nervous system, and some of them cannot be changed by education methods. However, under the premise that the nervous system has matured, the methods of parenting can make progress in development. The development of baby sports and skills has the following points:

1. Up and down the law (also called head and tail law). In other words, the law of development is from top to bottom. Some big milestones are: the baby drinks milk, the coordination of the eyes and muscles, followed by crawling, taking things by pinching them with his or her index finger and thumb, standing, walking, walking up the stairs, and finally, jumping.

2. Centralized law. A baby three or four months old will see the object and only dance with joy. A baby nine to ten months old will more likely grab the object with his or her index finger and thumb.

3. The law of coordination. As the baby continues to develop, the activities of the baby’s body parts slowly coordinate with each other. For example, a baby may persistently try to grab something, and by four or five months still not have the right hand/eye coordination. But by nine or ten months, he or she may be able to grab things by using his or her index finger and thumb, because the hand-eye coordination has developed.

4. The development of the leap. The development of baby activities is not always performed at an average speed. Often when the baby learns a new skill, the development of other activities will temporarily pause.