Abstract: To combine the heaven and the man into one is one of fundamental characteristics of Chinese philosophy, it is reflected as combination of virtues of the heaven and the man. This proposition decides the noumenon of traditional morals, the origin of moral value and human moral nature, and it is the key idea andfundamental characteristic. No doubt it has many defects in theory, but it is extremely rich in abstract consideration and provides its own resolvement to manyimportant theoretical problems in ethics. It has still inspirations to our thinking of these questions today.

Key words: combination of virtues of the heaven and the man, value origin, ought to, origin, necessity

摘要： 天人合一是中国哲学的根本特征之一,它在传统伦理思想中表现为天人合德。这一命题规定了传统道德的本体、道德价值的本原以及人的道德本性,是传统伦理思想最核心的理念和最根本的特征。它固然存在许多理论上的缺失,但又极富思辨性,对伦理学上的许多重大理论问题都提供了自己的解答。这对于我们今天探究这些问题,仍然具有启迪意义。

关键词: 天人合德, 价值本原, 应然, 本然, 必然