A refrigerator comprising: a cabinet having a storage space; a door including a door unit configured to open or close the storage space and a drawer unit configured to provide a receiving space; a driving device being configured to move up or down the drawer unit and including a driving motor configured to provide power; and a pair of elevation devices being disposed and spaced apart from each other at left and right side from the drawer unit, connected with the driving device, and configured to move up or down, wherein each elevation device includes: a lower frame; an upper frame positioned over the lower frame; a scissor assembly configured to connect the lower frame and the upper frame; and a screw rotatably supported on the lower frame, configured to be rotated by driving force transmitted from the driving device disposed at the door unit, and connected with the scissor assembly; wherein the drawer unit is coupled to the rear surface of the door unit, and the driving device is disposed at the door unit, wherein the scissor assembly includes: a plurality of first rods (871, 872), a plurality of second rods (874, 875) disposed across the plurality of first rods (871, 872), a connection shaft configured to connect the plurality of first rods (871, 872) and the plurality of second rods (874, 875), and accommodating grooves (81b, 82b) in which the connection shaft is accommodated, wherein the drawer unit includes a supporting plate seated on the upper frame, forming a storage space; and characterized in that the drawer unit further includes a drawer opening for passing a connector at the supporting plate, the connector being configured to connect the door unit and the drawer unit. a cabinet having a storage space; a door including a door unit configured to open or close the storage space and a drawer unit configured to provide a receiving space; a driving device being configured to move up or down the drawer unit and including a driving motor configured to provide power; and a pair of elevation devices being disposed and spaced apart from each other at left and right side from the drawer unit, connected with the driving device, and configured to move up or down, wherein each elevation device includes: a lower frame; an upper frame positioned over the lower frame; a scissor assembly configured to connect the lower frame and the upper frame; and a screw rotatably supported on the lower frame, configured to be rotated by driving force transmitted from the driving device disposed at the door unit, and connected with the scissor assembly; wherein the drawer unit is coupled to the rear surface of the door unit, and the driving device is disposed at the door unit, wherein the scissor assembly includes: a plurality of first rods (871, 872), a plurality of second rods (874, 875) disposed across the plurality of first rods (871, 872), a connection shaft configured to connect the plurality of first rods (871, 872) and the plurality of second rods (874, 875), and accommodating grooves (81b, 82b) in which the connection shaft is accommodated, wherein the drawer unit includes a supporting plate seated on the upper frame, forming a storage space; and characterized in that the drawer unit further includes a drawer opening for passing a connector at the supporting plate, the connector being configured to connect the door unit and the drawer unit. a lower frame; an upper frame positioned over the lower frame; a scissor assembly configured to connect the lower frame and the upper frame; and a screw rotatably supported on the lower frame, configured to be rotated by driving force transmitted from the driving device disposed at the door unit, and connected with the scissor assembly; wherein the drawer unit is coupled to the rear surface of the door unit, and the driving device is disposed at the door unit, wherein the scissor assembly includes: a plurality of first rods (871, 872), a plurality of second rods (874, 875) disposed across the plurality of first rods (871, 872), a connection shaft configured to connect the plurality of first rods (871, 872) and the plurality of second rods (874, 875), and accommodating grooves (81b, 82b) in which the connection shaft is accommodated, wherein the drawer unit includes a supporting plate seated on the upper frame, forming a storage space; and characterized in that the drawer unit further includes a drawer opening for passing a connector at the supporting plate, the connector being configured to connect the door unit and the drawer unit.