The utility model relates to a high accuracy micro motor for car, including casing, stator magnet steel, permanent magnet, rotor, axis of rotation, backup pad and base, casing parcel on the surface of stator magnet steel, the permanent magnet be provided with four, four permanent magnets install respectively on four faces all around in the stator magnet steel, rotor swing joint between four permanent magnets, the upper end fixed connection of backup pad is in the bottom of stator magnet steel, the lower extreme of backup pad is connected on the base, backup pad and base between still be provided with damping mechanism, the axis of rotation of rotor on still be connected with torque limiter. This design has been through having add damping mechanism between backup pad and base, produced vibration exerts an influence to its self structure when preventing motor operation, has prolonged the life of motor.