The small hanging unmanned aerial vehicle has excellent aerodynamic design, and the entire aircraft is made of aerospace composite materials with high strength and light weight. It can be sprayed with stealth coatings to increase stealth performance. Suitable for various application scenarios such as long homework time and high task load. The system can be equipped with electro-optical pods, communication equipment, surveying cameras, and other types of detection devices, and can complete tasks such as high-definition video surveillance and reconnaissance. It is widely used in border patrol, battlefield reconnaissance, and other fields.