Abstract: This article studied on the QR code meal ordering system applied to the high-speed railway operation, to solve the problems of code scanning and meal ordering service in the complex scenarios of high-speed rail operation and train operation. Based on the railway 12306 Internet catering booking platform, the article analyzed the difficulties of high-speed train QR code meal ordering, and gave the corresponding solutions, designed and implemented a highspeed railway QR code meal ordering system. The system has been used in some high-speed trains of several Railway Administration Group Co. Ltd. The application results show that the system is in line with the reality of high-speed railway operation, which is conducive to improving the operation efficiency and service quality, and improving the user experience of railway travel.