In this study, we aim to introduce the work and criticism domains of Frnkfurt School and make a criticism of modernism within the general scope of the School. In the study are there the birth of Frankfurt School, the thinkers and general critical approaches. These include criticism of enlightenment, corruption of the mind, positivism, mass industry, capitalism and totalitarianism. The starting point of all criticism is the approaches of the members of the School. Although the study mainly focuses upon criticism of modernism by Frankfurt School, the ideas of Adorno and Horkheimer, the leading figures of the School, are discussed and outlined extensively.
Key words: Modernism, Capitalism, Mass industry, The Corruption of The Mind, Totalitarianism.