Abstract: The data service management system of railway transportation information integration platform was constructed to standardize the data sharing of transportation information integration platform, enhance the level of data application, support the big data applications. Based on the big data of integrated platform, a set of standardized service management and application system was formed by using hierarchical design principle, process control strategy and standardized service interface. The system provided a variety of data services for the railway transportation department, at the same time, met the data security and monitoring requirements, implemented the cross professional data sharing and information comprehensive application.