The invention provides a rice field shrimp culture pest control device based on visual monitoring, which comprises a support base plate, a fixed drill rod, a lower support pipe, an upper support pipe, a solar panel, a pest trapping and killing lamp assembly, a pest spraying pipe assembly, a control box assembly, a telescopic rod, a constraint clamping ring, a suspension arm rod, a fixed lifting hook, a visual monitoring camera and a mounting support plate, the fixed drill rods are respectively in bolted connection with the lower part of the supporting base plate; the lower supporting pipe is welded to the middle position of the upper portion of the supporting base plate. An electromagnetic buckle is controlled to be opened, a cleaning scraper is attached to the outer side of a high-voltage power grid column, and lifting of a lifting rod is controlled, so that pest corpses attached to the surface of the high-voltage power grid column are cleaned, and the pest removal efficiency is improved; the device utilizes the visual monitoring camera to realize monitoring and removal of pest control, is simple and convenient to operate, can realize remote control, utilizes solar energy to supply power, and is suitable for prevention and treatment of rice field pest control.