The utility model discloses a telescopic three-leg lifting appliance device which comprises a frame assembly, a drive assembly and three hitching leg assemblies, wherein the frame assembly comprises a main frame and three hitching leg frames horizontally extending outwards from the main frame, and the hitching leg frames are distributed along the peripheral edge of the main frame uniformly; the drive assembly comprises a worm gear drive body, a motor, three screws and three screw nuts, wherein the worm gear drive body is provided with three output shafts and an input shaft; the motor is connected with the input shaft of the worm gear drive body to drive the output shafts to rotate; the three screws are respectively arranged in the hitching leg frames and correspondingly connected with the output shafts so as to rotate under the drive of the output shafts; the three screw nuts are respectively screwed with the screws correspondingly so as to move along the corresponding screws; and the hitching leg assemblies are fixedly connected with the screw nuts respectively.