The three-year-old baby has been able to control his body very well, and his language ability has also advanced by leaps and bounds; The concept of time has developed and simple counting has been learned. The sense of cooperation began to sprout. You should make a strict parenting plan, exchange less blame and negative words with your children, tell more stories and read more books. In view of the baby's sensitive period at present, and the preparation of early childhood, through the three courses of learning ability, mathematical logic and financial quotient, language and emotional intelligence, we can cultivate the development of learning ability, mathematical logic, language development, emotion, socialization and behavior habits, and help the baby grow up in an all-round way.