Abstract: In order to improve the level of emergency management information technology of railway passengerstations and enhance the safety and security capability of passengers' lives and property, it is necessary to study thearchitecture of emergency command system in depth. It was constructed an integrated monitoring model coveringthe personnel, equipment and environment of railway stations, established an integrated management mechanism forthe planning, organization, response, disposal, recovery and evaluation of emergency events. This article designedthe emergency command system of passenger station according to EA methodology, and introduced the businessarchitecture, platform logic architecture, data architecture and technical architecture of the system.