Famous mountains and rivers in the distance, precious cultural relics in the library, long historical stories, novel and flexible art design... Digital collections gradually enter the tourists' vision and are concerned and collected in a virtual way that can be seen but not touched. Some tourist attractions have launched digital collections in succession, aiming to enhance attraction, innovate play methods, stimulate consumption, and add new highlights to the integration of culture and tourism. Recently, the Laoshan Scenic Area in Shandong Province launched its first digital collection, "Giant Peak Divine Ao", in which high-end Laoshan underwater jade sold out within 3 minutes of its launch. Jufeng Shen'ao takes the statue Shen'ao in the Jufeng tourist area as the design element, and uses 3D scanning, modeling, digital twin and other technologies to show the Shen'ao vividly. What is digital collection? Digital collections refer to the use of blockchain technology to generate unique digital certificates corresponding to specific works and artworks, and to achieve authentic digital distribution, purchase, collection and use on the basis of protecting their digital copyright. Relying on its unique natural scenery and profound cultural connotation, the tourist attractions boldly try to explore and open up a Xintiandi with digital collections. Each cultural tourism digital collection has its own serial number, which is a unique digital souvenir. It is both artistic and digital, and is worth commemorating and collecting. The reporter opened the "Travel to Yunnan" APP and entered the "Digital Collection" area. He saw two models currently being sold: "Digital Tibetan Dali · Three Pagodas of Chongsheng Temple", which restored the exquisite artistic value and profound historical precipitation of the three towers of Chongsheng Temple. Among them, "Special Model · Cangshan Snow Shadow" presented the beautiful picture of the 19 peaks of Cangshan Mountain falling on the three towers in winter. The digital collection made people feel immersive. The development of digital collections shows new breakthroughs in cultural tourism integration and digital transformation. At present, many scenic spots such as Huangshan Mountain, Taishan Mountain, Songshan Mountain, Huashan Mountain, Yuanmingyuan, Taierzhuang Ancient City have tested digital collections and made progress in exploration. At present, cultural tourism digital collections are mainly presented in 3D models or 3D animations. Ge Lei, Vice President of CYTS Research Institute, introduced to the reporter: "The most prominent characteristics of the cultural tourism digital collections are: first, the cultural IP endorsement, which has significant cultural attributes and is generally influential, has become a new channel for cultural communication; second, the pursuit of online and offline linkage, which is generally released by scenic spots or museums, is also one of the important purposes of offline drainage. For example, some digital collections are also digital tickets." As an innovative form of digital culture, the digital collection with added vitality is easier to show the traditional culture in a younger way. The two digital collections of "Creation Emblem" and "Double Ended Yuanming" launched by Yuanmingyuan this year integrate many representative cultural elements of Yuanmingyuan and are presented with novel and creative designs. The front of the "Creation Emblem" is the Great Water Method of the Old Summer Palace illuminated by the Milky Way, and the screen insert painting of the Qing Palace on the back shows the beautiful summer scenery composed of lotus flowers and 40 scenes of the Old Summer Palace, shaping the magnificent royal garden style. Feng Ling, a professor at the School of Tourism Science of Beijing International Studies University, said: "Digital collections can realize the authentic reproduction and artistic display of cultural heritage and natural landscape, and also facilitate their further processing and creation. Most tourist attractions in China are the same as