Video/audio file multi-source download method and device

The method includes steps: based on media data abstract and integrated file abstract of object file requested by client end to search file source of object file; building up set from files with same media data abstract of object file in file source; feeding back information of file source in the set to the client end initiated the request; based on the received information of file source, the client end initiated the request down loads object files in parallel. The invention also is related to down loading device of multiple sources for video/audio files. Through two times of filtration, the device obtains set of identical or similar file sources of object file. According to characteristic of video/audio files, the invention adds similar file sources of object file so as to raise speed for down loading object file, as well as raise utilization ratio of bandwidth in file sharing system.