Abstract: Marx's perspective on modernity was not a single one but varied from time to time.The young Marx was the believer of modernity,because of the strong influence of the German's classic philosophy.Through studying the political economy and coming close to the workers' movement,Marx severely condemned and deeply reflected the wide-spread alienation that brought out by the capitalism modernity.Face to the brutal reality of capitalism,Marx researched the law of the humanity's development,and again designed the ro...