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Today, justice and its place are considered as a vital component in social development by theorists. After the revolution In Iran, Positive law is like a support by which we can realize "justice" in different affairs of society. Therefore, in this study, we considered the place of justice in social development with emphasis on Positive law. The main question is where the real place of justice is meaning to give right to the owner in cultural- social development. With the analytic- descriptive method, the study is aimed at considering the place of justice in cultural- social development of human societies, especially Iran by relying on positive law. We considered that not only justice has effect on cultural- social development, but the development is also possible only in this way. On the other hand, regarding that the most important issue considered in Islamic revolution was to perform justice, presenting critic and scientific Viewpoint on the subject is the most effective step toward realizing justice and its effects on development.