Targeted pesticide spraying device for field crops

The invention provides a targeted pesticide spraying device for field crops. The targeted pesticide spraying device comprises a trolley body, a pesticide liquid storage mechanism and a pesticide spraying mechanism, wherein the trolley body comprises a bottom plate, supporting columns and a top plate, one ends of the supporting columns are fixedly connected with the upper surface of the bottom plate, the other ends of the supporting columns are fixedly connected with the lower surface of the top plate, a groove for mounting the pesticide liquid storage mechanism is further preset in the bottom plate, the pesticide spraying mechanism is mounted on the upper surface of the top plate, and steering wheels are further mounted on the lower surface of the bottom plate. According to the targeted pesticide spraying device for the field crops, the position of the pesticide spraying mechanism can be correspondingly adjusted according to different types of diseases and pests, precise spraying on the diseases and pests is