Based on a complete set of key technology systems such as digital collection, processing, storage, and display of cultural relics, the Dunhuang Research Academy has built massive digital resources such as digital photography collection, three-dimensional reconstruction of caves, and panoramic wandering of caves, lighting up the national art treasures with technology. It is a wonderful example of the creative transformation and innovative development of excellent traditional culture in the digital age. This course introduces the construction of digital Dunhuang and its cultural connotation, vividly displays the magnificent treasure house of grottoes to students, spreads the light of Chinese splendid civilization to the international communities, and promotes the dialogue and cultural exchanges among civilizations in the new era.