Abstract: Shared development is an important part of Marxist distribution theory. The concept of shared development conforms to the development needs of socialism with Chinese characteristics in the new era， responds to the difficult problem of the current development imbalance in China， reflects the fairness and justice requirements in the distribution system at China's initial stage of socialism， and points out the direction for deepening the reform of the distribution system. Faced with the historical transformation of social principal contradiction， implementing the concept of shared development， deepening the reform of the distribution system， and enriching the contents and methods of distribution practices are of great significance to solving the contradiction between the people's needs for a better life and the imbalanced development.

Key words: shared development, the new era, reform of the distribution system, principal contradiction