Abstract: Railway employees have a high demand for business travel. Hotel reservation is anis an essential part of the process of business travel. One of the difficulties in the construction of railway enterprise business travel hotel reservation system is how to solve the problems of large data volume, diverse sales channels, and inconsistent data formats. This paper elaborated on the overall architecture, technical architecture and system functions of the railway enterprise business travel hotel reservation system, introduced distributed caching technology, multi-source data synchronization mechanism, and mapping mechanism for data governance against massive data, multi-source data, and multi-source heterogeneous data, implemented rapid data integration and efficient retrieval, provided technical reference for building an intelligent railway enterprise business travel hotel reservation system.