The invention discloses a lifting device for an automobile, and belongs to the technical field of automobiles. The lifting device comprises a first adjusting body, a first limiting mechanism, a secondadjusting body, a second limiting mechanism and a third adjusting body; the first adjusting body comprises a first supporting assembly, a first air bag and a first connecting base; the first limitingmechanism comprises a first moving plate, a second moving plate, a first telescopic rod and a second telescopic rod; the second adjusting body comprises a second supporting assembly, a second air bagand a second connecting base; the second limiting mechanism comprises a third moving plate, a fourth moving plate, a third telescopic rod and a fourth telescopic rod; and the third adjusting body comprises a third supporting assembly, a third air bag and a third connecting base. The lifting device has the technical effects of being convenient to carry and high in adaptability, and the height of an automobile chassis to be lifted is relatively large.