The utility model discloses a hybrid unmanned aerial vehicle system belongs to the unmanned air vehicle technique field, the system includes unmanned aerial vehicle, backup battery, constant voltage power supply, damping device, hangs mounting panel, engine and generator, backup battery links to each other with constant voltage power supply, and backup battery and constant voltage power supply allinstall inside unmanned aerial vehicle, and constant voltage power supply and unmanned aerial vehicle's power equipment are connected with a machine year consumer electricity, damping device includesa damper and the 2nd damper, unmanned aerial vehicle with hang the mounting panel and link to each other through a damper, motor and generator are all installed in the bottom of hanging the mountingpanel through the 2nd damper, and engine and generator pass through resilient coupling and link to each other, and the generator passes through the wire with constant voltage power supply and links toeach other. The utility model discloses combine electricity generation of oil machine and source transformation principle, have the time of endurance who by a wide margin improves unmanned aerial vehicle, improve the effect of unmanned aerial vehicle operating efficiency.