科学地把握自然界的层次结构与循环运动的本质特征是人们正确地认识自然界整体或自然界部分的重要前提。那么， 自然界的层次结构与循环运动的本质特征是什么呢？ 本文就此分别给予了深入剖析和阐述， 并最后归结到一个总的思想， 即： 对立统一观点才是把握自然界层次结构和循环运动实质的灵魂 Scientifically grasping the nature of the hierarchical structure and the circular movement in nature is an important prerequisite for people to correctly understand the whole or part of nature. So what are the essential features of the hierarchical structure and circular movement in nature? This article gives an in-depth analysis and elaboration respectively, and finally comes down to a general idea that the unity of opposites is the essence of grasping the nature hierarchy and the essence of circular movement