Abstract: In order to enhance the level of informatization of power supply safety production management for Harbin Railway Administration, this article used the literature analysis method, field investigation method to analyze the current situation of power supply of railway administrations, proposed and developed a comprehensive digital power supply management system, given a detailed solution and system design. The successful application of this system made the supply of assets implement the full life cycle management, standardize the daily operations of power supply, improve the level of information technology.