Learned how to grasp the order and law of seven children's physical and mental development, such as language, intelligence, physical fitness and senses.

Preschool pedagogy is a branch of pedagogy, which studies the laws of preschool children's education. The research on preschool education in socialist society in China includes the general principles of preschool education for children aged 3-6, the tasks and principles of kindergarten education, the contents and methods of preschool education, and the requirements and contents of preschool family education.