With the rapid development of science and technology, a kind of small but strong "elves" suddenly appeared, and became popular all over the world. This is the uav, in the cheers of the public, all the way forward, in logistics, plant protection, fire control, mapping, aerial photography and other fields have greatly facilitated the production and life of people... Recently, at the second world intelligence conference (wic), unmanned aerial vehicles (uavs) became popular again with their latest technologies, cool shapes and neat formations.