朱熹和托马斯.阿奎那作为中西不同文化儒家和基督教发展史中重要的两个人物,对所针对的文化受众产生了重要影响,而他们的伦理学说实际上是建立在他们的宇宙生成论的基础上。本文详细分析比较了两人在最高的本体范畴、理(念)的具体化、世界的形成过程以及世界形成发展的动力来源等方面的异同,试图找出出现这些差异的原因所在。 Zhu Xi and Thomas Aquinas, as two important people in the history of the development of different cultures and Confucianism in China and the West, have had a significant impact on the cultural audiences they target. Their ethical theories are actually based on their theory of cosmology basically. This article analyzes and compares in detail the similarities and differences between the two in terms of the highest ontological category, the concreteness of Li (nouns), the formation of the world, and the source of the world’s formation and development, in an attempt to find out the reasons for these differences.