Abstract: Different from traditional infrastructure, “new infrastructure” refers to the infrastructure construction focused on the technology side, mainly including 5G base station construction, UHV, intercity high-speed railway and urban rail transportation, new energy vehicle charging piles, big data centers, Artificial Intelligence and Industrial Internet.The seven major areas of the Industrial Internet involve many industrial chains. As the downward pressure on the economy has increased, many local governments and enterprises have also increased their financial pressures, and they have begun to promote “new infrastructure. ” The strategic significance of digital “new infrastructure” is analyzed, the dilemma of traditional industry digitization is explained, the relationship between 5G, cloud computing, and AI in “new infrastructure” is discussed, and the early application of 5G + cloud + AI is analyzed.

Key words: digitalization, new infrastructure, 5G + cloud + AI