Emphasizing modern science, power and politics, this article examines and analyzes factors leading to identity crisis in modern world. Then highlighting Foucault, Laclau and Moffett's theories, it will mention solutions to step out of crisis in science, power and politics. Later applying descriptive method, statements of Islamic revolution in science, power and politics will be examined and applying analytic method, their role in solving modern human's identity crisis will be clarified. Finally post-modernists' and Islamic revolution's solutions to address modern human's identity crisis will be compared.