Abstract: Knowing the position of Marx's moral theory in its ideology of thinking correctly concern for understanding Marx's entire theory and his contribution. Contrasting with the various different views for this problem in China and foreign countries,this paper insists that ethics and morality is the question all Marx's academic practice life pay attention to and the soul of his theory system. Freedom and liberation is the purport of his moral research ,even of its entire theory.

Key words: Moral theory , Marx's Thought , Historical Materialism , Critique Liberation

摘要： 正确认识马克思的道德理论在其思想体系中的地位,关系到对整个马克思思想及其贡献的理解。针对中外学界对这一问题的种种不同看法和误解,本文认为,伦理道德是马克思一生学术实践所关注的,是马克思思想体系的灵魂,自由与解放则是马克思道德研究及其整个思想体系的主旨。

关键词: 道德理论, 马克思思想, 唯物史观, 批判, 解放