Marx's Critique to Abstract Nature Viewpoint and Its Modern Meaning

Based on a non-practical mode of thinking,abstract nature viewpoint separates the relations between nature and human,nature and society,nature science and science of human.Marx's actual nature viewpoint discussed dialectical unity relations between nature and human,nature and society,nature science and science of human.His humanized nature viewpoint summarized the objective relations of cognition and practice between nature and human;His historic nature viewpoint summarized the relations based on practice between nature and society;His anthropology nature viewpoint discussed dialectical unity relations between science and science of human.Marx's actual nature viewpoint has multiple meanings in dealing with ecological crisis.