The R & D of cutting-edge technologies in the digital industry is the core of digital economy’s high-quality development. Based on the general layout of Beijing’s digital economy development，this report firstly conducted an overall study of Beijing’s digital frontier technology innovation and R & D work. Then，we compared the main achievements in recent years in terms of core technology innovation，industrialization application，and transformation of results. Further，its successful experiences are summarized to provide reference ideas for frontier technology development of Beijing and the whole nation. Finally，we put forward constructive suggestions for the future development of Beijing’s digital technology，and made constructive suggestions for Beijing’s future development of digital technology.