Abstract: In order to solve many problems such as low personalized service level of urban rail transit passengers, unclear convenient service signs and queuing up to enter the station in peak hours, this paper proposed a design and implementation scheme of App for smart travel of urban rail transit based on H5, micro-service and other new generation information technologies. Starting from the business needs, the paper described the technical architecture, main functions and key technologies of App for smart travel, implemented the functions of station information, line details, apology card push, lost and found, travel path planning and so on. It is of reference significance to provide passengers with convenient and high-quality mobile application services.