Abstract: In order to improve the information management level of the EMU inspection and repair cost, and effectively reduce the cost of EMU inspection and repair, this article proposed a construction plan for the EMU inspection and repair cost management system.By automatically extracting and integrating relevant information in the existing information system, the system implemented the automatic accounting, excess warning and statistical analysis for EMU inspection and repair cost.The application in Shanghai EMU Depot shows that the system can significantly improve the management efficiency of EMU inspection and repair cost and reduce inspection and repair cost.