The present invention relates to a blowing-suction device, selectively operating in a blowing mode or a suction mode, including: a main body； a motor located inside the main body, having a motor shaft providing rotational motion； a fan assembly driven by the motor to rotate； and a blowing assembly and a suction assembly connected to the main body； wherein the fan assembly includes an axial fan, in the blowing mode, the blowing assembly is connected to the main body, and the axial fan rotates around a first rotary shaft, and in the suction mode, the suction assembly is connected to the main body.
