Pesticide spreading device for farmland control

The utility model discloses a pesticide spreading device for farmland control, which relates to the technical field of pesticide spreading devices and comprises a pesticide mixing box, the pesticide mixing box is positioned on the outer surface of the upper end of a support table, a liquid inlet pipe is arranged on the outer surface of the upper end of the pesticide mixing box, a water pump is arranged on the outer surface of the upper end of the support table, and a liquid suction pipe is arranged on the outer surface of the upper end of the water pump. A liquid discharging pipe is arranged on the outer surface of one side of the water pump, a flow dividing pipe is arranged on the outer surface of the upper end of the liquid discharging pipe, a flow expanding pipe is arranged on the outer surface of the upper end of the flow dividing pipe, and a first spraying head is arranged on the outer wall of the flow expanding pipe. According to the pesticide spreading device for farmland control, pesticide liquid in t