Abstract: According to the emergency situation of current ticket selling for the railway ticketing and reservation system, the study on the optimization of railway ticket selling emergency plan based on virtualization was put forward to solve the problem of downgrade response in the current emergency mode. This article researched on the application of virtualization technology, cloud computing technology, dual center and double live emergency backup technology in the railway ticketing and reservation system. Two double live production centers designed for railway ticket system could work at the same time to implement mutual emergency backup and provide the effect of normal business, improve the handling capacity, reliability and stability of the ticketing and reservation system, so then improve the overall business emergency response capabilities.