Abstract: In order to meet the needs of the development of railway informatization, implement the scientific, standardized and intelligent operation and maintenance management of information system, this article designed and implemented an informatization integrated operation and maintenance management system.The system used distributed, big data, workflow engine and other technologies, with asset allocation management as the main line, around the actual work needs of the operation and maintenance department of the information system, to achieve equipment operation monitoring, automatic operation and maintenance, process approval management, intelligent decision analysis and other functions, so as to improve the efficiency of operation and maintenance management of the information system, enhance the intelligent level of operation and maintenance, and ensure the stable operation of information system.