Automatic motor vehicle lifting system

The utility model discloses an automatic motor vehicle lifting system. The automatic motor vehicle lifting system comprises an oil tank and a hydraulic pump, wherein the hydraulic pump is connected with at least two jacks; the hydraulic pump is connected with four jacks; the jacks are multi-joint jacks; a linkage sleeve is installed on hydraulic operating rods of the hydraulic pump; through holes of which the number is equal to that of the hydraulic operating rods are formed on the linkage sleeve; and the rod bodies of the hydraulic operating rods are positioned inside the through holes. A motor vehicle in a mudflat or in water can be lifted in situ through the automatic motor vehicle lifting system to move the motor vehicle out of danger; and when the chassis of the motor vehicle is required to be repaired, the automatic motor vehicle lifting system can lift the motor vehicle in situ, so that a special repairing trench of an automobile repairing factory is not required and tyres can be replaced conveniently.