Abstract: It is necessary to use QR code payment in ticketing and reservation system(TRS), in order to improve the quality of service and increase the way of payment. Based on the existing payment system, using asynchronous notification service and adaptive polling technology, this article mainly introduced the design and implementation of QR code payment in railway ticket window and ticket vending machine(TVM). The application of QR code payment achieved good social and economic benefits, could offer reference for other payment mode of TRS.