Cleaning device, cover plate, closestool and cleaning control method

According to the cleaning device, the cover plate, the closestool and the cleaning control method, the cleaning device is automatically started based on a preset program after one-time flushing operation without water supplementing is completed, a second water outlet hole moves front and back along with a second water outlet body, the second water outlet hole can spray a cleaning agent and cleaning water in sequence, and after the cleaning water softens dirt on the pot surface of the closestool, the cleaning agent is sprayed out. Then the sprayed cleaning agent washes the dirt to be separated from the pot surface, the cleaning water is sprayed again to flush the dirt into the bottom of the closestool, and the cleaning agent and the cleaning water sprayed out through the second water outlet hole can be quantitatively sprayed out, so that the cleaning agent and the cleaning water can uniformly cover the pot surface of the closestool; the condition that the cleaning agent is manually poured on the surface of the