“天理论”是中国古代哲学最重要的理论,体现了理学的本质特征。“天理”这一概念的内涵在中国古代哲学史上历经发展变化,不断丰富,最终演变成了宋儒的“天理论”。本文力求追根溯源,探究“天理”一词的源流、脉络,以期加深对“理学”的认识。一、夏、商、周的“天”人类对“天”的最初认识要追溯到原始社会,天是原始人群所能直观感受到的最高远、神秘、威能无比的事 “Theory of Heaven ” is the most important theory of ancient Chinese philosophy, embodies the essential characteristics of Neo-Confucianism. The connotation of the concept of “the truth of nature” has been continuously changed and enriched in the history of ancient Chinese philosophy and eventually evolved into the “theory of heaven” of Song Confucianism. This article seeks to trace the source, explore the origin and development of the word “天理”, in order to deepen the understanding of “Neo-Confucianism ”. First, Xia, Shang, Zhou “days ” The first human understanding of “days ” dates back to primitive society, the sky is the longest, mysterious, incomparable thing the primitive population can intuitively feel