Audio playing system for roller coaster

The utility model discloses an audio playing system for a roller coaster, which comprises a track provided with a plurality of RFID (Radio Frequency Identification Device) plates which are respectively arranged at different road sections of the track; the roller coaster is arranged on the track, a vehicle-mounted power box and an RFID reader are arranged on the roller coaster, and the vehicle-mounted power box is electrically connected with the RFID reader; and the MP3 player is used for storing and playing music, the MP3 player is arranged on the roller coaster and is electrically connected with the vehicle-mounted power box, a serial port of the MP3 player is connected with the RFID reader through an MP3 serial port line, and when the RFID reader moves along with the roller coaster and senses the RFID plates on different road sections of the track, the MP3 player plays different music on different road sections of the track. According to the utility model, the plurality of RFID plates are respectively used