The theory of "man's all-round development" expounded by Marx in Das Kapital and other works is the theoretical basis for establishing the educational purpose in China.

Marxism holds that the fundamental way to realize people's all-round development is to combine education with productive labor; Marx believes that the fundamental reason for people's one-sided development is social division of labor.

Social division of labor has caused people's one-sided development;

The large-scale industrial production of machinery provides the foundation and possibility for the all-round development of human beings;

The socialist system is the social system condition to realize the all-round development of human beings;

The combination of education and productive labor is the fundamental way to realize people's all-round development.