Irrigation spraying device based on agricultural informatization

The invention relates to the technical field of irrigation and spraying, in particular to an irrigation and spraying device based on agricultural informatization, which comprises a shed roof, a water storage tank and a water supply pipe, the water storage tank is arranged on the shed roof, the water supply pipe is arranged on the shed roof and connected with a water replenishing port arranged on the water storage tank, and a monitoring element is arranged in the shed roof. The fan is arranged on the shed roof and located on one side of the water storage tank; the spraying system is arranged between the mounting frame and the water storage tank and used for spraying crops, and the monitoring element is electrically connected with the spraying system; compared with a traditional mode that a large number of spraying heads are arranged to increase the area of a spraying area, the device can utilize a small number of spraying heads to achieve spraying work on crops in a large-range area, the extension cost of the