Electronic ticket system for railway

The invention provides an electronic ticket system for railways, comprising an electronic ticket booking and changing subsystem, wherein a booking module is used for receiving booking information and personnel identity information input by a user via an intermediary to generate a corresponding electronic ticket; certification information corresponding to the electronic ticket is returned; the electronic ticket information is stored in an electronic ticket processing server; the electronic ticket processing server is used for updating the state of the electronic ticket information and sending the electronic ticket information to a station checking-in subsystem and a train checking-in subsystem according to the appointed time; the station checking-in subsystem and the train checking-in subsystem are used for obtaining the electronic media certificate information of the user; and the user validity is verified according to the electronic ticket information. According to the electronic ticket system for railways provided by the invention, the electronic ticket serves as a transportation and settlement means, thereby bringing more benefits for railway passenger transport departments andpassengers, and bringing more selection and convenience for passengers.