1. A video surveillance system comprising: a plurality of cameras which pick up images in a surveillance area; a recognition unit which detects an object from videos acquired by the plurality of cameras and acquires a camera evaluation item that is a feature quantity of the object for each camera; and a priority degree setting unit which decides a degree of priority of the camera evaluation item; wherein the system includes a display selection unit which prioritizes the video from each of the cameras according to the degree of priority of the camera evaluation item, in the case where an object is detected in a surveillance area where images are picked up duplicately by the plurality of cameras.