Retractable vehicle-mounted refrigerator and use method thereof

The invention provides a retractable vehicle-mounted refrigerator and a use method thereof. The refrigerator comprises a refrigerator casing and a refrigerating assembly fixed inside the refrigeratorcasing; a chamber door is hinged to the surface of the refrigerator casing; a first frame and a second frame are fixed on two sides of the refrigerator casing separately; a screw hole and a sliding hole are formed in the first frame separately; a second screw is arranged in the screw hole; a sliding rod is arranged in the sliding hole; a first screw is arranged in the second frame; a first fixingcasing is arranged at the bottom end of the first frame; and a second fixing casing is arranged at the bottom end of the second frame. The first screw and the second screw are arranged, the first screw is connected with the first frame through the screw hole, the first screw and the second screw can be driven through rotation of studs to rise and fall, and the vehicle-mounted refrigerator is raised when used and is hidden