Lifting device for lifting height of automobile

The utility model discloses a lifting device for lifting the height of an automobile, and relates to the technical field of automobile repair. The lifting device comprises a main body assembly and a lifting assembly, wherein the main body assembly comprises a bottom plate and first sliding blocks which are connected to the front end and the rear end of the two sides of the bottom plate in a sliding mode through first lead screws; the lifting assembly comprises mounting blocks movably connected to the front end and the rear end of the upper surface of the bottom plate through mounting columns correspondingly, and clamping blocks slidably connected to the inner sides of the mounting blocks through moving plates. Through the arrangement of the main body assembly, the first lead screw in the main body assembly is used for driving the first sliding blocks to move in the same direction or in the back direction and driving the mounting blocks to move in the same direction or in the back direction, so that the proble