Abstract: In order to strengthen the overhaul budget management of railway administration, fully exert the role of Information System in the railway overhaul budget management, this article analyzed the process of railway overhaul budget management and business, based on railway overhaul related regulations, used open source database Postgre SQL&Post GIS, open source GIS platform GeoServer and WebGIS client framework Open layers, designed and implemented the Railway Overhaul Budget Management System. The application indicated that the open source GIS architecture adopted by this System was with good stability and exhibition effect.