Abstract: To solve the practical problems of scattered infrastructure power data collection and discrete data management functions in large-scale data centers, this paper took the China Railway Main Data Center as an example and implemented the design of a comprehensive power management prototype system by using integrated interfaces, enery consumption analysis, data management and visualization technologies. The system implemented real-time summary calculation and integrated management of power operation data in the data center, improved the efficient utilization and refined management level of the main center infrastructure, and provided technical reference for enery conservation and consumption reduction in data centers.