The FY-U04 vertical take-off and landing fixed-wing unmanned aerial vehicle is made of aviation carbon fiber composite materials, and featuring a robust and lightweight structure. The drone has a wide wingspan, to make it easy to deploy quickly. It can be disassembled without tools, and adapt to complex environments. It has a waterproof function to handle bad weather. It is low cost, low consumption, moderate safe level flight speed, relatively fast cruising speed, high practical ceiling, long endurance, and suitable for large-scale deployment.