Qu Qiang, a doctoral supervisor of the University of Chinese Academy of Sciences, recently said that data management capabilities include four major capabilities, namely data collection and storage capabilities, data interconnection and fusion capabilities, data security and supervision capabilities, and data knowledge and application capabilities. In the areas of data interconnection, sharing and collaboration, security and supervision, the application of blockchain technology is indispensable and plays a fundamental supporting role. The new infrastructure is divided into three layers. The lowest level is core information digital technologies such as 5G, big data, artificial intelligence and the Industrial Internet. The middle level is supporting facilities such as intercity high-speed railways, urban rail transit, and charging piles. Construction goals of cities and smart economy.