Education can restrict the influence of people's genetic quality on their physical and mental development; Education can adjust and choose the influence of environment on people's physical and mental development; Education can systematically influence the direction, speed and level of people's physical and mental development.

Education plays a leading role in human development in the following three aspects: (1) Education is a purposeful activity, which defines the direction of human development; (2) Education, especially school education, has a comprehensive, systematic and profound impact on people; (3) The school has teachers in charge of education.