The idea of shared development is an important part of the theory of socialism with Chinese characteristics. It is the latest theoretical achievements arising from the exploration of the socialist road with Chinese characteristics since the 18th National Congress of the Communist Party of China. The idea of shared development fits into the demands of the times of social development, scientifically interprets the purpose, the subjects and the benefits of the development achievements. The idea of shared development is peopleoriented and further stresses the peopleoriented nature of shared development. Such idea is of great theoretical significance to build a welloff society. It helps to improve the social equity mechanism, provides system for building a welloff society and makes the ultimate realization of the free and comprehensive development of human beings available.