关键词: 马克思, 实践, 伦理基础

Abstract: The substance of modern western moral crisis is the conflict between moral individualism and moral consensus. How to resolve this contradiction has got to the core of the project to the modern western moral crisis. As a reply, the new and old Liberalism and Communitarianism of west have given answers with some representativeness. However, this article holds that in order to settle the problem,one must turn to Marx's practical philosophy. From Marx's view, the conflict between moral individualism and moral consensus stems from contradictions of the biological ontology of human being, which can only be resolved in the processes of practical activity. Therefore, a way of practical philosophy is a real one to resolve the modern western moral crisis.

Key words: Marx, practice, ethical foundation