Ly-Tran dynasty (1009 – 1400 A.D.) was the peak period of Vietnamese feudalism history. It was also known as the golden age of Vietnamese Buddhism. Therefore, the finding of study aim on the explore influence of Buddhist culture in Vietnam during Ly-Tran Dynasty (1009-1400 A.D.), that finds absorbed and deeply influenced in Vietnamese culture. This article addresses the main influences of Buddhist culture on the decisive ideology of this period, which is the premise to create a great landmark in the history of Vietnamese Buddhism finds the influence several aspects related the Vietnamese Buddhists 4 aspects as followed (1) influence on political - social thought, (2) influence on traditional and customs of Vietnamese, (3) influence on literature, and (4) influence on architecture and sculpture.