First, evaluate the reality with "rational scale", expose all kinds of disadvantages in existing education, and make people realize the unreasonable factors in existing education.

Second, predict, design and plan the future education, and put forward the goal, content, method, system and form of future education from the evaluation of existing education and the analysis of future social development, so as to guide the direction of education reform.

Third, the power of public opinion created by theory calls on the society, especially the education sector, to participate in the educational reform, so that educators have the consciousness, enthusiasm and confidence to participate in the educational reform.