The invention discloses a distributed P2P media source retrieval system which comprises: a region relegation server for managing the distribution of part of the media in each region; an overall relegation server for managing the statistics of the number of copies of part of the media in each region; and a user node for reporting the media copies and the service ability of the media to the region relegation server in the preset mode. The distributed P2P media source retrieval system can greatly reduce cross-region flow and improve media service quality.