Control method and control device for video monitoring

The invention discloses a control method and a control device for video monitoring. The control method for video monitoring comprises the following steps of: acquiring video image data, and calculating the video monitoring level according to the video image data; and switching a video monitoring mode to the video monitoring mode corresponding to the video monitoring level. By the control method for video monitoring and a monitoring device, the video monitoring mode is switched to the video monitoring mode corresponding to the video monitoring level; diversified video monitoring modes are realized; on the basis of guaranteeing the monitoring quality, energy-saving monitoring is realized; and a large number of power resources and network resources are saved.