(1) Education should adapt to the gradual physical and mental development of the younger generation and promote the physical and mental development of students step by step.

(2) Education should adapt to the stage of physical and mental development of the younger generation, and the contents and methods of education should be different for students of different ages.

(3) Education should adapt to the unbalanced physical and mental development of the younger generation, grasp and apply the mature mechanism of human development, and seize the critical period of development.

(4) Education should adapt to the complementarity of the physical and mental development of the younger generation, and cultivate students' self-confidence and fighting spirit.

(5) Education should adapt to the individual differences in the physical and mental development of the younger generation and teach students in accordance with their aptitude.