"Digitalization" and "Digital China" have been listed as one of the cores of the 14th five year plan. The digital economy has swept all walks of life, and a new round of business marathon gunfire has sounded. Invisible innovation reshapes the business environment and also gives us rich imagination. Whether digital. Or digital intelligence, which has become a must for governments and enterprises after the epidemic. On the morning of July 11, 2022, the Zhaoqing digital economy and Data Security Forum opened at the Chinese Studies Museum of the library of Guangdong University of industry and technology. The keynote speaker was Sun Wei, professor and doctoral supervisor of the school of electronic and information engineering of Sun Yat sen University, and director of the key Laboratory of information technology of the Ministry of education. Guangdong University of industry and commerce, Zhaoqing computer society, Zhaoqing Information Association, Zhaoqing Sanrong e-commerce Industrial Park, and Zhaoqing Duanzhou District Talent post station jointly organized this lecture. Centering on the theme of "digital economy and smart security", Professor Sun Wei introduced the application scenarios of virtual reality technology and the latest development of meta universe, and made an in-depth explanation of future digital security and smart security from the application fields of driverless, cloud computing, Internet of things, mobile Internet, big data and so on. Professor Sun Wei also communicated with the participants on the frontier issues and applications of relevant research such as metauniverse and blockchain. (Deng guangbin) (Xinhua News Agency)