The invention discloses a single-sided slight-lifting lifting device for automobile maintenance, and relates to the technical field of lifting machine equipment. The single-sided slight-lifting lifting device comprises a substrate; a first fixed block is fixed in the middle of the upper surface of the substrate, and first guide rails are fixed on one opposite side of the first fixed block; the twofirst guide rails are in sliding connection with sliding blocks, one surface of each sliding block is fixed with a supporting plate through a connecting block, and a vehicle travelling groove channeland a guiding groove are formed in the upper surface of each supporting plate; each guiding groove is internally connected with a sliding plate in a sliding mode through a guiding block, and positioning seats are mounted on the upper surfaces of the sliding plates side by side through a second guide rail; and the two positioning seats are internally matched with rotating shafts rotatably, and oneend of each rotating shaft is fixedly connected to a limiting frame. According to the single-sided slight-lifting lifting device, the movement of the front or rear wheels of a car is limited by usingthe adjustable limiting frames, the rear or front part of the car is slightly lifted by using power telescopic rods, the time-consuming and labor-intensive problems caused by the traditional whole car lifting are solved, and the higher market promoting value is achieved.