Abstract: Common prosperity is the essential requirement of Chinese path to modernization. How to better play the supporting role of human modernization to Chinese modernization in the common prosperity and make people the source of vitality of Chinese modernization is the theoretical and practical problem we need to solve first. In the context of Chinese modernization, we can find that the human connotation of common prosperity is embodied in the unity of individuality and national character. In terms of content composition, it shows the unity of materiality and spirituality. The process participation embodies the unity of co-creation and sharing; in practice, it shows the unity of process and result. The inevitable orientation shows the unity of the times and civilization. Common prosperity takes the all-round development of people as the ultimate goal, so we must grasp its significance in the aspects of people's supremacy, reality transcendence, cultural context, calling of the times, and trend leading. And concerted efforts should be made in terms of strengthening political guarantee, consolidating the material foundation, enhancing the spiritual motivation, improving social security system, developing ecological civilization to confirm the advancement and superiority of common prosperity.

Key words: Chinese path to modernization, common prosperity, high quality development, putting people first, the free and all-round development of man