This paper analyzes the relationship between information technology and new infrastructure, summarizes the integration of
infrastructure with the traditional intelligent form of infrastructure and the traditional form of infrastructure in the digital world, puts forward different ways of information technology to the evolution of new infrastructure, and forms classified strategies to explore innovative development path.
This paper first combs the current situation of smart city construction, summarizes the achievements and deficiencies of smart city construction in supporting government management and serving peoples livelihood during the raging period of COVID-19, and analyzes the deep-seated reasons behind the shortcomings. Finally, combined with 5G+ABCDEI new-generation information technology and new infrastructure, this paper puts forward the development trend of smart city in the era of post-COVID-19, and hopes to make sense for the future construction of smart city.