This book synthesizes the researches, the initial recommendations on the influence of Buddhism on the authors in Vietnamese Classical Literature (Literature written in Chinese and Nôm script), from the beginning of the 15th century to the end of the 19th century - the beginning of the 20th century. The contents of the book are divided into 5 chapters. Chapter 1: Consists of 11 articles focusing on the topic: Some notes and more enlightening on Literature in the Ly and Tran dynasties. Chapters 2, 3 and 4 are the main chapters of the book, gathering studies and arguments on the Influence of Buddhism in feudal Vietnamese literature. The last chapter is the summary record on the relationship between Cua Thien and Literature written in Nôm script in the process of forming and developing of Nôm script and literature, from the 18th century to the end of the 19th century.