At the same time, taking the architectural community and natural environment of the mansion as the expression carrier, the digital light and shadow technology is used to revive the historical and cultural life mechanism of the mansion and create surreal night time and space illusion. The application of these technologies makes the cultural connotation constantly innovative and promotes the deep integration of culture and tourism. With the advent of the 5G era, it will be inevitable for cultural tourism to embrace 5G technology. Since this year, Konka Group, shenzhen happy valley, Window of the World, Overseas Chinese Town Tourist Resort in East Shenzhen, Intercontinental Hotel in Shenzhen, etc. OCT actively carries out in-depth cooperation with leading enterprises in the domestic mobile communication industry, combines its high-quality resources, gives full play to the advantages of 5G technology, and promotes the research and development, application scenarios, promotion and optimization of cultural tourism products.