Abstract: To tackle the problems that the traditional ESB technical architecture used in the information systems of urban rail transit remains relatively closed and complex in operation and maintenance with poor scalability and low reusability of function modules, a study was made on how to apply the open source software Nginx+OpenResty+Kong as urban rail transit enterprise’s cloud service gateway and a lab environment was built to learn its deployment and configuration and to test its main functions. The test results show that the cloud service gateway is horizontally scalable and easy for management and configuration with a wide variety of plug-ins available, which is conducive to reduce the difficulty and cost of operation and maintenance of enterprise information systems and avoid unnecessary software development.