What's the significance of the ancient books found in the Tibetan sutra cave in Mogao Grottoes?

These ancient records found in Dunhuang are an important basis for understanding ancient society, culture and art, which are profound and inexhaustible, greatly enriching the connotation of Dunhuang culture. On this basis, it formed a new knowledge, namely Dunhuang studies.

In addition, the literature of Tibetan Sutra Cave is not limited to China and Han nationality, but also involves many ancient nationalities in China, such as Xiongnu, Wusun, Qiang, Loulan, Qiuci, Khotan, Sogdian, Turkic, Tubo, Uighur, India, Pakistan, Afghanistan, Kyrgyzstan, Kazakhstan, Persia and other countries, which is of great international significance.