Huimingjie UAV hovers at 50 meters, 100 meters and 150 meters respectively with a load of 2.3 kg. The flight of the aircraft is stable and the image transmission quality is good; The ground station plans a zigzag route with high precision for runaway return; Good rain proof performance, high stability, no drift when hovering, high image transmission signal quality, no jamming; The whole process did not shut down or replace the battery, and the performance was excellent at each stage. The demonstration effect was very good, which was unanimously affirmed and highly praised by the on-site experts.