Abstract: Currently, train group meal services rely on traditional offline channels for processing, faces problems such as cumbersome communication, poor passenger experience, and scattered data. In order to improve the service level of railway passenger transport and passenger satisfaction, this paper analyzed the current situation of group meal reservation on railway trains, designs the railway 12306 Internet group meal booking system (referred to as group meal boking system), and expounded the overall architecture, technical architecture and specific functions of the system. The system adopted technologies such as front-end and back-end separation, automatic recognition and matching, combined payment and intelligent order splitting, distributed file storage, etc., which met the diverse and convenient ordering needs of group travelers and laid the foundation for the development of the next step group meal booking system.