Control method of video monitor array, device and system thereof

A control method of video monitor array, a device and a system thereof are provided. The control method includes: Whether a target object appears in a monitoring area is monitored. When the target object appears, the area number of the target object is determined according to the preset monitoring area information. A camera corresponding to the area is turned on to capture a video image for the target object according to the area number of the target object. By dividing the monitoring area and collectively managing multiple camera devices, the control method, device and system enable not only the rapid finding of the target object and the clear capture of the video image of the target object,, but also the continuous tracking of the target object, thereby further improving the quality of video monitoring.