Fixed-point pesticide spraying device

The utility model provides a fixed-point pesticide spraying device, and relates to the technical field of vegetation protection. The fixed-point pesticide spraying device solves the problems that an existing fixed-point pesticide spraying device cannot achieve fixed-point spraying protection, pesticide is extremely prone to diffusion, surrounding nursery stocks and flowers are prone to being sprayed, and meanwhile the pesticide is prone to being sucked by workers. Comprising a mounting support; the mounting support is fixedly connected with a support driving part; the mounting support is fixedly connected with a mounting protection part; an air injection auxiliary part is fixedly connected to the mounting protection part; a spraying device is mounted in the mounting protection part; a driving motor is fixedly connected to the supporting mounting block; the device can assist in protecting and retaining through the protective film cylinder, effectively prevents pesticide from diffusing to other nursery stocks i