Research on Application of Virtual Reality Technology in Digital Restoration of Tiangong Kaiwu

“Tiangong Kaiwu” explored the relationship between man and nature, and integrated the inheritance and innovation of ancient and contemporary. Through detailed, comprehensive and accurate records, it explains the creation wisdom of the unity of artifacts and natural laws, and clarifies the worldview and values that the Chinese nation seeks for the harmonious coexistence of man and nature, which has made great contributions to the development of human civilization. The whole book covers the production technology of major industries in China in the 17th century, including creation ideas, technological philosophy, production principles, appliance structures, technological processes and other aspects. Its original version and vernacular translation are difficult to understand, so they are not widely circulated. The cost of fully physical restoration of Tiangong is huge, and the number of people visiting and studying is very limited.On the basis of a deep understanding of the creation ideas and technologies of ““Tiangong Kaiwu””, it is of great significance to explore the digital restoration of ““Tiangong Kaiwu”” and the restoration concept, specific path, implementation method and presentation content of modern virtual display, with the support of model construction, scene rendering, virtual interaction and other technologies in virtual reality. The digital restoration of “Tiangong Kaiwu” provides objective evidence, material support and ideological support for China to enhance cultural self-confidence.