1. different social class based on the philosophy of Marx's revolutionary theory of social change on its class basis is based on the theory of the proletarian world outlook as a form of the new philosophy to replace the bourgeois world view as a theoretical form of the old philosophy, Its fundamental purpose is to promote the proletariat to overthrow the old social system of capitalism, the establishment of a new revolutionary struggle of the socialist system, thereby achieving the complete liberation of the proletariat and mankind. Marxist philosophy is the liberation of the proletarian world outlook and the ideological weapons. proletariat only to philosophy as a spiritual weapon in order to eliminate all exploitation and slavery, of all people to achieve their own liberation and release. the philosophy of the proletariat as their only weapons material, in order to become truly transform the world of real philosophy.