Device and method for releasing predatory mites at high altitude

The device comprises an unmanned aerial vehicle body, a support is fixedly connected to the unmanned aerial vehicle body, a mounting plate is fixedly connected to the support, and a protective shell is fixedly connected to the mounting plate; the feeding assembly comprises a storage box, a discharging mechanism and a plurality of guide pipes, a first feeding port and a first discharging port are formed in the storage box, the storage box is fixedly connected to the mounting plate, the discharging mechanism is located in the protective shell, a second feeding port and a plurality of second discharging ports are formed in the discharging mechanism, the second feeding port communicates with the first discharging port, and the first discharging port communicates with the second discharging port; the material guiding pipes are communicated with the second discharging opening, outlets of the material guiding pipes face different directions, a plurality of air blowing mechanisms and a plurality of air flow jetting m