Rice insect prevention incubator convenient for spraying nutrient solution

The rice insect prevention incubator comprises an incubator body, the incubator body comprises a seedling box, an upper end opening groove is formed in the upper end of the seedling box, a grid net is vertically inserted into the upper end opening groove in a sliding mode, the upper end of the grid net is rotationally connected with a liquid conveying cylinder, and the liquid conveying cylinder is connected with a liquid outlet of the seedling box. A plurality of nozzles are fixed at the lower end of the liquid conveying cylinder; the liquid conveying cylinder is supported through the rotating shaft, spraying is carried out, a nutrient solution is sprayed into the seedling box, the liquid conveying cylinder and the spraying head do not need to be held by hands, convenience and labor saving are achieved, the liquid conveying cylinder and the spraying head are rotated anticlockwise, the spraying head gradually sprays the nutrient solution to the right side of the interior of the seedling box, and rice seedlings