Method, device and system for playing video, and audio track server

The embodiment of the invention discloses a method, device and system for playing a video, and an audio track server. The method for playing the video comprises the steps of: sending an inquiry request for inquiring an online audio track of a video file to the audio track server, wherein the inquiry request includes an identification used for identifying the video file, and the audio track server stores a corresponding relationship between an online audio track and the identification; receiving an audio track message sent by the audio track server; sending an acquisition request for acquiring an online audio track of the audio file to the audio track server, and acquiring the audio track message included in the acquisition request. Based on the corresponding relationship between each video file and corresponding audio track collection established on the audio track server, the video player can request for downloading a proper audio track file online, so that the user experience effects of switching to the needed audio track rapidly and conveniently can be realized.