A mounting device is provided with a first raising and lowering drive section that raises and lowers a syringe member to which a suction nozzle that picks up a component is attached, and a second raising and lowering drive section that raises and lowers the suction nozzle with respect to the syringe member to which the suction nozzle is attached. The mounting device controls a raising and lowering operation of the first raising and lowering drive section based on height information that includes at least one of information of the thickness of the component or information of the stage height of a transfer stage.