1, compiled the "Datang Western Regions". The Records of the Western Regions of Datang recorded what Xuanzang saw and heard when he set out from Chang 'an (now Xi 'an) and personally traveled to the western regions, including more than 200 countries and city-states, as well as many different nationalities. The book records the life style, architecture, marriage, funeral, religious belief, bathing and healing, music and dance of all nationalities in the western regions, and reflects the customs of the western regions from different levels, angles and depths. It is also an important document to study the ancient history and geography of India, Nepal, Pakistan, Bangladesh, Sri Lanka and other places, which is valued by scholars from all over the world.

2. Bring back the important Mahayana Buddhism. Van Gogh brought back by Xuanzang from India and Central Asia? Buddhist scriptures are very rich, ***526? (cè, finger clip), 657, which is of great help to the study of original Buddhist documents.

3. Translation continues to write Buddhist scriptures. One of the greatest is his translation of the Buddhist classic "Breaking the Truth and Learning from the Scriptures". Xuanzang returned from India. In the next 20 years, with the help of his assistant, Xuanzang translated 74 Buddhist scriptures, 1335 volumes, each with a total of 1335 words, accounting for more than half of the total number of translated scriptures in the Tang Dynasty, which is equivalent to the history of China.