This article first examines and analyzes the causes of identity crisis in the modern world by emphasizing modern knowledge, power and politics. Then, with emphasis on the theories of Foucault, Laclau, and Mouffe, he will point out the solutions to the crisis in knowledge, power, and politics. In the following, using the descriptive method, the propositions of the Islamic Revolution in knowledge, power and politics will be examined and using the analytical method, the relation of these propositions in solving the identity crisis of modern man will be explained. Then the postmodern strategies and the current of the Islamic Revolution in responding to the crisis of modern human identity will be compared.