Historically, the relationship between individuals and communities goes through three stages of development. In the form of a typical community of Greek city-state, Individuals were completely integrated in the community. Since modern times, community faced collapse with the emphasis on individuality. Only in community of free individuals, the individual and the community will achieve real unity. In community of free individuals, people are no longer enslaved by what they create, but for the first time truly complete possession and control of what they create. The personality of people with differences will be improved, and the ability of people will be fully developed. Individuals in this community get real freedom and real happiness.