At the entrance of the venue, the virtual digital character "Jasmine" greeted the attending guests with a smile on her face; In the exhibition hall, virtual digital people conduct lively, interesting and uninterrupted promotional live broadcasts; Virtual digital people from banks vividly introduce financial products and knowledge... Recently, at the 6th Digital China Construction Summit held in Fuzhou, Fujian, various virtual digital people appeared in different scenes, attracting the attention of visitors. With the development of artificial intelligence, virtual reality and other technologies, virtual digital humans have entered people's daily lives and played a unique role in many fields. Being able to speak, sing, and receive praise is invaluable for the history and artistic value of cultural relics, providing explanations, guides, and consultations for the audience... The National Museum of China and Tencent have jointly created a virtual digital person called "Ai Wenwen", which is based on over 1.4 million collections of the National Museum and possesses self-learning and adaptive abilities. It can continuously update and enrich its knowledge base, explaining cultural relics to visitors from all over the world. Sing mountain songs, sing here, sing there, and... "The versatile and beautiful virtual digital character" Liu Sanjie "can sing mountain songs and promote the beautiful scenery of Guangxi in multiple languages. It is understood that the virtual digital person "Liu Sanjie" is a cultural and tourism digital spokesperson designed and developed by Guangxi Tourism Development Group under the guidance of the Department of Culture and Tourism of Guangxi Zhuang Autonomous Region. Thanks to technologies such as artificial intelligence, speech synthesis, facial modeling, and image processing, whether it's scenic spots, cultural venues, characteristic homestays, food specialties, virtual tour guides, intelligent customer service, navigation guides, or AI dialogues, everything is in the intelligent brain of "Liu Sanjie", providing tourists with a variety of convenient services. Highly distinctive virtual digital humans frequently appear in various cultural and tourism scenarios, providing personalized services and rich application scenarios, becoming a new trend in the digitalization of the cultural and tourism industry. For example, the virtual digital human "Tianyu" created based on Dunhuang Feitian integrates traditional elements such as murals, Dunhuang, and Feitian with modern technology, and is widely praised for its beautiful national style image upon its appearance; The virtual digital character "Art Goose" launched by the National Theatre and Baidu has its own exclusive knowledge base and can engage in interesting conversations with users; Gu Xiaoyu, a promoter of Song rhyme culture in Zhejiang, is a singer and host. Song rhyme and Song lyrics are readily available; "Qin Xiaoya", a virtual artist of Qin Opera Opera in Shaanxi Province, can speak and sing, and convey the unique charm of Qin Opera Opera in every twinkle and smile. How did the "rich connotation" of digital people be created? It is understood that the production process of virtual digital human generally includes model binding, motion capture, real-time rendering and other steps, in which a large number of high-tech cutting-edge technologies such as augmented reality and in-depth learning should be applied. Professor Shenyang from the School of Journalism and Communication at Tsinghua University believes that breakthroughs in machine learning, deep learning, and semantic understanding, as well as the increasing maturity of 3D imaging sensors, improved computing power, and faster communication speed, all provide technical guarantees for the development quality of virtual digital humans. In addition to a "beautiful appearance", virtual digital humans also need to possess "rich connotations". With the sound of gongs and drums, a "master of Beijing Opera" walked towards the audience with a light step, holding a folding fan and looking forward to the bright future... This is not a real person, but a 3D film and television level calculation