When booking tickets for college entrance examination students on Ctrip, usually you need to prepare relevant documents and just queue up and enter the station. Whether you need to exchange your ticket depends on whether you purchased a paper ticket or an electronic ticket. If it is an electronic ticket, there is usually no need to exchange it. You can just swipe your ID card directly at the self-service ticket machine or station ticket window to get the ticket. If it is a paper ticket, you need to follow the prompts to exchange it. Please follow the specific instructions when purchasing tickets.