To provide an airlift having an elevation part quickly lifted/lowered with high stability.

An elevation part 3 supported by means of a horizontal link so as to be moved upward/downward substantially parallelly to a base board 1 is lifted/lowered by charging/discharging air into/from an air cylinder 4 arranged below the elevation part 3, while an air charging/discharging flow passage 15 to the air cylinder 4 is arranged opposedly to the retracting direction of a piston 8.