"I didn't expect to be able to go to temple fairs online, play games, and exchange Spring Festival fortune bags offline." This Spring Festival, many Beijing citizens like Wang Kexiang experienced the charm of "Changdian Temple Fair", a national intangible cultural heritage, through the integration of virtual and reality. Changdian Temple Fair is one of the first batch of intangible cultural heritage projects in Xicheng District of Beijing to be included in the national list. It is called the four major temple fairs in China together with Chengdu Qingyang Palace Temple Fair, Nanjing Confucius Temple Temple Fair and Chenghuang Temple Temple Fair in Shanghai. This Spring Festival, the Changdian Temple Fair set a precedent for the national temple fair, combining traditional culture with the "meta universe" technology, providing a new "play" for this folk activity. By scanning the code, visitors can enter the small program of "Yuanuniverse · Changdian Temple Fair", and can enjoy the one-to-one replica of Beijing Liulichang Ancient Culture Street. They can also participate in a series of colorful folk activities in the virtual scene based on reality, such as "Hand speed · Sugar blowing man", "Guessing lantern riddles · Cloud exploration shop", "Fireworks · Greeting Luck", "Shopping intangible cultural heritage · Buy New Year's goods", and can also go offline after completing the corresponding tasks, Get holiday gifts from the time-honored shops of Liulichang who participate in the activity offline. Niu Xin, director of the Cultural Relics Protection and Management Center of Xicheng District, Beijing, said that the original intention of creating the "Yuan Universe · Changdian Temple Fair" was to protect and inherit the national intangible cultural heritage project of Changdian Temple Fair. "The Internet has become an indispensable part of modern people's life. Based on this development trend, the way to protect intangible cultural heritage should also keep pace with the times." Niu Xin said that the Changdian Temple Fair is not only a brand, but also belongs to all time-honored intangible cultural heritage brands, all inheritors of intangible cultural heritage, and everyone who loves this culture. In the future, the "Yuan Universe · Changdian Temple Fair" will continue to realize upgrading and innovation by means of scientific and technological means. "We hope to break the restrictions of space and time, so that people can 'travel' to the Changdian Temple Fair anytime and anywhere, and let the Changdian Temple Fair enter the hearts of every generation". As Niu Xin said, "Where the audience is, the Changdian Temple Fair is." The "Yuan Universe · Changdian Temple Fair" opened the curtain of the "cloud" protection of the national intangible cultural heritage project Changdian Temple Fair. It also allows everyone to participate in the process of realizing the "cloud" protection of intangible cultural heritage and become the guardian and inheritor of intangible cultural heritage. The innovative attempt of the Xicheng District Cultural Relics Protection and Management Center of Beijing has offered a diversified and high-quality holiday cultural feast for this Spring Festival, and also provided a new exploration path for building a Chinese cultural brand with broad international influence. (Xinhua News Agency)