There are many factors that affect people's physical and mental development, among which heredity, environment and education are the main factors. Among these three factors, education plays a leading role in people's physical and mental development. Education can not only restrict the influence of people's genetic quality on their physical and mental development, but also actively adjust and choose the role of environment on their physical and mental development.

More importantly, education can also have a systematic impact on the direction, speed and level of people's physical and mental development. However, education is not omnipotent, and educators should strictly follow the characteristics of the physical and mental development of the educated in the teaching process and give full play to the leading role of education in the physical and mental development of people.

First, education can restrict the influence of people's genetic quality on their physical and mental development.

Second, education can adjust and choose the influence of environment on people's physical and mental development.

Thirdly, education can systematically influence the direction, speed and level of people's physical and mental development.