“以无为本”不仅是道家形上学中的一个重要思想 ,而且是贯穿道家哲学整个理论系统的一个基本思想和总体性方法论。以此为基本线索深入分析论述道家形上学的理论建构、否定的辩证法原则和无为主义的政治理想 ,可对其理论贡献及思想局限分别作评价 “Going for nothing” is not only an important thought in Taoist metaphysics, but also a basic idea and a holistic methodology that runs through the entire theoretical system of Taoism. Using this as a basic clue, we can make an in-depth analysis and discussion on the theoretical construction of Taoism metaphysics, the negative dialectical principle and the non-political political ideal, and can respectively evaluate their theoretical contributions and ideological limitations