In this paper, we conduct research on the development and the optimization of the building and road construction management system based on the enterprise MIS platform. For establishment of enterprise project management system and application analysis, this paper introduces the function and the main characteristics of enterprise project management system, discusses the enterprise project management system development steps and the main function has a business plan management data, the establishment of the enterprise project management database, the best use of enterprise project management product node as enterprise project management data entry of automated processing and enterprise project management workload statistics to explore the enterprise plan management system and application analysis are introduced. We combine the optimized MIS with the building and road construction tasks which provides the novel perspective.