Flapping-Wing Micro Air Vehicle(FMAV),as a new conceptual vehicle,provides a variety of functions and uses and has attracted much research attention in industrial nations.The present research situation and future development trend of the low Reynolds number aerodynamics of flapping-wing micro air vehicle(FMAV) are surveyed and several key technologies of FMAV are discussed.On this basis,the emphasis of future work of FMAV is summarized and the reference data for future design of FMAV is provided in the end.