Seeing the restrictions of former studies in Comparative Literature and aiming to amend these deficiencies, the author of this book mainly discusses the major theoretical significance and academic value of the Variation Theory in the whole process of the development of Comparative Literature in the world. In China the seminal comparative study of literature among different cultures can be dated back to ancient China, while the founding of comparative literature as a distinct academic discipline has to be largely owing to the influence of the West. The modern Chinese study of comparative literature formed its uniqueness under Western influence. The direct influence of the translation of western theories into China is remarkable. However, in the course of translation and reception of Western theories, Chinese comparatists and intellectuals have been encountering various problems, and solving them with an alternative method accordingly different from the traditional methods proposed by the French School and the American School. Therefore, in this book, modern Chinese study of comparative literature is put in a historical context with regard to the theoretical issue of the discipline in China through the entire 20th century. At present, many scholars in China and in other countries agree that, with the influence study proposed by the French School and the study of analogy advocated by the American School, the entire theoretical system of Comparative Literature is well built. However, when the comparative study of literature between East and West is concerned, the theory of Comparative Literature is far from perfect. It is not only because many problems still exist, but there are significant defects in their theoretical bases respectively. Many researches have proven that even with the influence study and the study of analogy, we still can not solve many problems in the practice of studies in comparative literature. This does not mean that we have no respect for the cont