(1) There is no conflict between education as a superstructure and as a means of labor reproduction. Therefore, education has dual attributes. (2) Yang Xianjiang specifically analyzed the evolution of the essence of education. First of all, in primitive society, education is "one of the labor fields needed by society". It is a means to help people build social life. Secondly, the emergence of private ownership leads to the "deterioration" of education and becomes one of the superstructure of society. Third, education in the future society will be "one of the labor fields needed by society" and "resurrected in a higher form".