The utility model provides a disk type motor composite characteristic test platform, including the three -phase wattmeter of measuring disk type motor input power, power, computer, control disk type motor's machine controller, testboard bottom plate, clamping disk type motor's motor XYZ axle air -floating platform, magnetic moment machine controller and magnetic moment machine for the disk type motor power supply. The beneficial effects of the utility model are that: can be with disk type motor on clamping motor XYZ axle air -floating platform, supply power for disk type motor through the power, disk type motor's input power is measured through the three -phase wattmeter, pass through computer control machine controller, rotational speed through machine controller control disk type motor,disk type motor's output torque is read out through magnetic moment machine controller, the rotary speed and output power, can measure the radial and axial electromagnetic force of motor, and relationradial and axial electromagnetic force and corresponding direction displacement, realize disk type motor's composite characteristic test.