Disclosed are an interference processing method, a terminal, a base station and an interference processing system. The method comprises: a base station in the present network determining and sending shared bandwidth information between a different network and the present network in a wireless network frequency spectrum sharing system; and a terminal in the present network acquiring the shared bandwidth information in the wireless network frequency spectrum sharing system, and performing interference suppression processing on data received by means of the present network and a shared bandwidth corresponding to the shared bandwidth information according to an interference suppression policy.
