莊子思想繁富，議論宏肆，其中「逍遙」思想乃莊子重要命題，歷代莊注皆有探究。今言逍遙思想，首見〈逍遙遊〉篇章，然則通篇之中，並未直言何為「逍遙」，亦未明論如何「逍遙」。非但如此，莊子反以鯤鵬譬喻起筆，因其形體變化，標幟大者形象，並藉蜩鳩之譏，列舉小者表徵，欲以二物相對，說明「小大之辯」旨意，並由此闡釋逍遙思想。 然則〈逍遙〉篇章概念繁雜，因而歧義輩出，莫衷一是，致使「小大之辯」目的不明，「逍遙」思想愈發隱晦，是故本文以『由「小大之辯」論莊子逍遙思想』為題，以「二蟲」與「小大形象」為例，分析「小大之辯」內涵，採蹠諸家說法，佐以相關論述，還原該題自郭象以來的分歧現象，探究歷代說法得失之處，冀望回歸莊子本旨，重審其於《莊子》中之地位，並與「逍遙」相互連結，建構自「小大之辯」至「逍遙」之實踐歷程。

The thinking of ZHUANG-ZI is abundant, and among his thinking, the most important proposition is being free and unfettered, which had been widely discussed by annotations in the past.Today, while we talk about the thinking of “Free and unfettered ", the chapter “Enjoyment in Untroubled Ease” is been talked first. However, throughout the writings, he did not talk “what free and unfettered is” bluntly and clearly, neither how to be free and unfettered. Not only did it so, ZHUANG-ZI used Kun-Peng, a kind of giant bird in legend, as metaphor to start his writing. According to his appearance change, to establish of a large image; And then by small one to mockery, to establish a small image. Trying to use both sides opposite to explain the meaning of "the differences between the small and the great", and expound the thinking free and unfettered. However, in this case, the concept of chapters " Free and unfettered " is multifarious. Therefore, there are so many different opinions about the free and unfettered but not in concluded, which led the meaning of "the difference between the small and the great" still not clear, also making the thinking of “Free and unfettered” being more and more veiled. Therefore, in this article, using “By the Difference between the Small and the Great to discuss ZHUANG-ZI’s thinking of free and unfettered” as subject, using “Two Bugs” and “the Image of the Small and the Great” as samples to analysis the meaning of the differences between the small and the great. By adopting every thinker argument and related arguments and coordinating closely, writer returned this subject to the divergence since GUO-XIANG annotated ZHUANG-ZI’s article. To discuss the advantages and disadvantages amount arguments during past dynasties, and to hope to regression ZHUANG-ZI’s main purpose, and re-investigate the position in ZHUANG-ZI and linking with enjoyment; Setting up the process since “the difference between the small and the great“to" free and unfettered”.