The geography history book "The Tale of the Western Regions in Datang" is also called the Tale of the Western Regions, with the volume number 12. Xuanzang wrote an essay with a debating machine. This book was written by Xuanzang on the orders of Emperor Taizong. Written in 646, the twentieth year of Zhenguan. The book summarizes Xuanzang's journey to the west from the first year of Zhenguan (three years of Zhenguan) to the nineteenth year of Zhenguan. This paper describes the general situation of Xuanzang 1 10 city-state, region and country, including territory, climate, mountains and rivers, customs, human feelings, language, religion, Buddhist temples and a large number of historical legends and fairy tales. In order to study the history, geography, religion, culture and communication between China and the West in the Middle Ages, it is also an important document for studying Buddhist history and Buddhist cultural relics. In recent years, the ruins of India's Nalanduo Temple, the former site of King Snake City, the ancient Rokuya Temple and Ajanta Grottoes have been exposed and reappeared, and the records of the Western Regions of the Tang Dynasty have made indelible contributions in this regard. There are translations in French, English and Japanese. In the Qing Dynasty, Ding Qian made textual research on the Records of the Western Regions of Datang. 1977, Shanghai People's Publishing House published Zhang Xun's Collated Records of the Western Regions of Datang, with a newly compiled general catalogue. 198 1 year, Zhonghua Book Company photocopied three ancient editions of the Western Regions of the Tang Dynasty (Dunhuang edition, Fuzhou collection edition and Jin collection edition). 1985, Zhonghua Book Company republished The Tale of the Western Regions of Datang, which was collated by Ji Xianlin and others.