The invention discloses a device for generating compressed air by virtue of wind and power complementation, and the device provided by the invention comprises a wind turbine, a transmission shaft, a second accelerating commutator, a first air compressor, a three-way solenoid valve, a second air compressor and an air reservoir, wherein the wind turbine comprises a first accelerating commutator; the output shaft of the first accelerating commutator is connected with the upper end of the transmission shaft by virtue of a coupler; the lower end of the transmission shaft is connected with the input shaft of the second accelerating commutator by a coupler; the output shaft of the second accelerating commutator drives the first air compressor to operate; the air outlet of the first air compressor is connected with the inlet of the three-way solenoid valve; a first air pipe of the three-way solenoid valve is connected with the air inlet of the second air compressor; and a second air pipe is connected with the air reservoir via a third air pipe. The control device controls the two air compressors to respectively or simultaneously operate to achieve a function of wind and power complementation according to the working condition. The device is used for producing compressed air, ensures that the power consumption is reduced, and has the advantages of low investment, high efficiency, low operation and maintenance cost and the like.