The utility model discloses a system for adjusting automobile wheels to adapt to the ground via hydraulic rotation. The system comprises a support frame, rotating shafts are fixed at four corners of the support frame respectively, support arms are rotationally mounted on the rotating shafts respectively, the automobile wheels are mounted at the bottoms of the support arms respectively, a lever arm is rotationally mounted at the position, close to the corresponding rotating shaft, of each support arm, a spring is fixedly connected between the upper portion of each lever arm and the lower portion of the corresponding support arm, hydraulic cylinders are mounted at the positions, on the inner sides of the lever arms, of the support frame, and piston rods of the hydraulic cylinders are hinged to the corresponding lever arms. The system is simple in structure, reasonable in design, and capable of realizing ascending and descending of the support frame quickly and stably according to a lever principle via the four groups of hydraulic cylinders, four groups of lever arms and the support arms, so that a chassis of an automobile is enabled to adapt to various road conditions.