Pesticide spraying device for agricultural planting

The utility model discloses a pesticide spraying device for agricultural planting, which belongs to the technical field of pesticide spraying devices and is characterized in that a driving motor drives a bidirectional lead screw to rotate, the bidirectional lead screw drives two connecting boxes to move in opposite or separated directions through two sets, and the pesticide spraying device is suitable for pesticide spraying requirements of vegetable planting areas with different widths. Meanwhile, the problem that pesticide is sprayed too close or too far during pesticide spraying is solved, waste of pesticide liquid is avoided, and collision between the pesticide liquid and vegetables is prevented. Comprising a water storage tank and two connecting plates connected to the bottom of the water storage tank. A pesticide spraying mechanism is arranged between the two connecting plates and comprises a straight rod connected between the two connecting plates and a two-way lead screw rotationally connected between