The invention discloses a double-wheel positioned general assembly machine for a rare earth permanent magnet motor, relates to a general assembly machine which positions a stator of a motor in up, down, left and right directions under the action of a magnetic field of a motor by using double-wheel positioning, only allows the stator to slid in an axial direction and finishes the general assembly of the rare earth permanent magnet motor quickly, and is suitable for a rare earth permanent magnet synchronous motor and a generator. The general assembly machine comprises a static bracket of a general assembly machine, a moving bracket of the general assembly machine, a regulating wheel, a locking wheel, a general assembly machine process shaft, a shaft coupling, motor centre high-standard cushion blocks, a sliding vehicle, positioning traction wheels in the left and right directions of the sliding vehicle, the positioning traction wheels in the up and down directions of the sliding vehicle, an adjustable limit cushion block, a platform of the general assembly machine and a standard cushion block fastening bolt, wherein the platform of the general assembly machine is provided with a guide rail; one end of the platform of the general assembly machine is fixed with the static bracket of the general assembly machine; the rail guide at one end of the platform of the general assembly machine is provided with the moving bracket of the general assembly machine; the sliding vehicle is arranged on the guide rail; the positioning traction wheels in the left and right directions of the sliding vehicle and the positioning traction wheels in the up and down directions of the sliding vehicle are arranged on the lower part of the sliding vehicle; and a group of motor centre high-standard cushion blocks are arranged on the upper part of the sliding vehicle.