On December 20, the 2019 International Engineering Technology Development Strategy High-end Forum and the 13th China Engineering Management Forum were held in Jinan. Chen Xiaohong, member of the Chinese Academy of Engineering, said that there are now many independent systems, such as smart government affairs, smart transportation, etc. Some are being built, and some have been built. How to fully dig out these data resources in the future, I think it must be combined with Internet +, Big Data +, Artificial Intelligence +, including the application of blockchain in the 5G era, and integrate some new technologies, which can be used in cities. New business formats and new urban management models have emerged from the overall management.