Corn rough dwarf disease control sprayer

The utility model belongs to the technical field of pesticide spraying, and particularly relates to a corn rough dwarf disease control sprayer which comprises a spraying vehicle, an air compressor anda pesticide storage box are installed above the spraying vehicle, the air compressor is connected with the pesticide storage box through a pipeline, and fixing plates are installed on the front sideand the rear side of the right portion of the spraying vehicle. Wherein the two fixing plates are both L-shaped, a movable device is connected between the two fixing plates, a positioning rod is installed below the movable device, a sliding block is movably arranged on the outer side of a body of the positioning rod in a sleeving mode, a stud is installed on the body of the sliding block, and thesliding block moves forwards and backwards on the positioning rod to fix the two fixing plates. The distance between the two sliding blocks can be adjusted, and the distance between the two spray heads can be changed by changin