The invention discloses an automobile storage device which comprises an automobile body. A lifting mechanism and a moving mechanism are arranged at the tail end of the automobile body, a spare wheel placement groove is machined in the upper surface of a first bearing plate, a tool placement groove is arranged in one side of the spare wheel placement groove, a set-up stage is mounted on the upper surface of a mounting plate and is located in the rear of the first bearing plate, and an elastic protection layer is arranged on the upper surface of the set-up stage. The automobile storage device has the advantages that a spare wheel can be well fixedly placed, repair tools are put together and cannot be scattered, the device is lifted in repairing or replacing the spare wheel, tedious steps like opening by a worker is not needed, manpower is librated, automatic processing is achieved, a built-in lighting effect is achieved, and use is facilitated.