Four stages of growth: (1) infancy: 0-3 years old The most important thing for physical development is the brain. Sensory integration can promote the development of the brain and the perfection of the nervous system, which is the basis of learning knowledge in the future. We don't want to keep the child as a pig and let him wake up before eating, which is not good for the child's brain development. Give her sensory integration, such as touching, balance exercises, jumping exercises and so on. The important characteristics of children are: repetition and imitation; Parents need to create a good family environment for him and accompany her. At this time, the lack of companionship has a great influence on his future sense of security. (2) In early childhood (3-6 years old), her language developed rapidly and her vocabulary exceeded 4,000. With the rapid development of her thinking and imagination, she can tell stories repeatedly by herself. Her emotions are very rich, and she can distinguish the differences between men and women. This stage is an important stage for scientific training of children's abilities. We can improve children's attention, memory, thinking ability, language, self-confidence and so on through scientific training. Paying attention to personality education will help him develop a good personality and greatly help his psychological development in the future. The important characteristics of children at this stage: exploration and thinking; Important things parents should do: Let go and guide (3) School age (6- 12 years old) is a critical period for learning knowledge and skills and cultivating character and temperament. The most important feature of children in this period is communication and they like making friends very much. At the same time, she is very innovative and unwilling to step by step. Important things for parents: determination (to help her set up her own ambition) and encouragement (4) During adolescence (12- 18 years old), parents should communicate with their children more and guide them correctly. Important characteristics of children: independence and self-improvement; Important things parents should do: support and recognize, sometimes don't correct mistakes, let children correct themselves in mistakes, cultivate her sense of independence and promote the sound development of personality charm. Growth sensitive period (3 1): painting sensitive period, light sensitive period before one year old, taste sensitive period and oral sensitive period. When a baby is born, he must adapt to the light difference between day and night. During the day, he will open the curtains and turn off the lights at night, so that the child can adapt to natural light and read more black and white cards. Don't have too much light. The sensitive period of taste is the sensitive period for children to taste all the ups and downs, and add complementary food with a light diet to protect the tongue.