The invention discloses a multi-picture video processor scene processing system, Including a display, a multi-picture video processing system, a plurality of groups of monitoring devices and a client.The multi-picture video processing system is composed of the multi-picture video processor, a video detection module 1, a video comparison module 2 and a processing module 3, the multi-picture videoprocessor, the video detection module 1, the video comparison module 2 and the processing module 3 are connected with the display screen through a control module. The invention can automatically switch a plurality of groups of video pictures, improves the ability of monitors to observe specific scenarios, improves the work efficiency of the monitoring staff , saves the time for monitoring staff tocheck and also reduces the possibility of danger occurrence. When fire or brawl occurs in the monitoring scene, the system of invention can send information to the mobile phone of the monitoring staff in time, so that the monitoring staff can alarm in time, and the risk when the danger occurs is reduced.