The invention relates to a nano self-power-generation bionic flapping-wing air vehicle. The nano self-power-generation bionic flapping-wing air vehicle comprises nano self-power-generation bionic wings, a nano self-power-generation bionic tail wing, an intelligent controller, rechargeable batteries, sensors, a global positioning system, a signal receiving and transmitting device and a fuselage, wherein each of the nano self-power-generation bionic wings and the nano self-power-generation bionic tail wing comprises multi-joint driving rods; the multi-joint driving rods comprise wing arm front edge multi-joint driving rods, wing arm central pivot multi-joint driving rods and tail multi-joint driving rods; the multi-joint driving rods comprise joint drivers; each joint driver comprises a micro motor, a brake connection part and a pressure sensor module; the nano self-power-generation bionic wings, the nano self-power-generation bionic tail wing, the rechargeable batteries, the sensors, the global positioning system and the signal receiving and transmitting device are all connected with the intelligent controller. The nano self-power-generation bionic flapping-wing air vehicle has extremely important and wide application prospects in both civil and military fields.