A refrigerator comprising: first storage for defining a first storage space therein; a door for opening and closing the first storage space; and a plurality of shelves installed in the first storage space for placing an object thereon, wherein each shelf includes: a frame having a plurality of support bars for loading a plurality of wine bottles thereon; shelf brackets detachably mounted and fixed in the first storage space; and extending rails for supporting the frame to be able to be extended forwardly of the first storage from the shelf brackets, wherein the frame includes: a front frame defining a front face of the frame, wherein a front face of each of the support bars is fixed to the front frame; a rear frame defining a rear face of the frame, wherein a rear face of each of the support bars is fixed to the rear frame; side frames defining each of both side faces of the frame, wherein each side frame is fastened to each shelf bracket by each extending rail, fit wherein the front frame has a front lamp module irradiating light to another shelf located below in a rearward direction; wherein the rear frame has a rear lamp module irradiating light to another shelf located below in a forward direction; wherein the support bar includes downwardly inclined faces in contact with a circumferential face of the object loaded on the shelf, and wherein the downwardly inclined faces are respectively formed on both sides of a top face of the support bar, wherein each downwardly inclined face extends in a longitudinal direction. first storage for defining a first storage space therein; a door for opening and closing the first storage space; and a plurality of shelves installed in the first storage space for placing an object thereon, wherein each shelf includes: a frame having a plurality of support bars for loading a plurality of wine bottles thereon; shelf brackets detachably mounted and fixed in the first storage space; and extending rails for supporting the frame to be able to be extended forwardly of the first storage from the shelf brackets, wherein the frame includes: a front frame defining a front face of the frame, wherein a front face of each of the support bars is fixed to the front frame; a rear frame defining a rear face of the frame, wherein a rear face of each of the support bars is fixed to the rear frame; side frames defining each of both side faces of the frame, wherein each side frame is fastened to each shelf bracket by each extending rail, fit wherein the front frame has a front lamp module irradiating light to another shelf located below in a rearward direction; wherein the rear frame has a rear lamp module irradiating light to another shelf located below in a forward direction; wherein the support bar includes downwardly inclined faces in contact with a circumferential face of the object loaded on the shelf, and wherein the downwardly inclined faces are respectively formed on both sides of a top face of the support bar, wherein each downwardly inclined face extends in a longitudinal direction. a frame having a plurality of support bars for loading a plurality of wine bottles thereon; shelf brackets detachably mounted and fixed in the first storage space; and extending rails for supporting the frame to be able to be extended forwardly of the first storage from the shelf brackets, wherein the frame includes: a front frame defining a front face of the frame, wherein a front face of each of the support bars is fixed to the front frame; a rear frame defining a rear face of the frame, wherein a rear face of each of the support bars is fixed to the rear frame; side frames defining each of both side faces of the frame, wherein each side frame is fastened to each shelf bracket by each extending rail, fit wherein the front frame has a front lamp module irradiating light to another shelf located below in a rearward direction; wherein the rear frame has a rear lamp module irradiating light to another shelf located below in a forward direction; wherein the support bar includes downwardly inclined faces in contact with a circumferential face of the object loaded on the shelf, and wherein the downwardly inclined faces are respectively formed on both sides of a top face of the support bar, wherein each downwardly inclined face extends in a longitudinal direction. a front frame defining a front face of the frame, wherein a front face of each of the support bars is fixed to the front frame; a rear frame defining a rear face of the frame, wherein a rear face of each of the support bars is fixed to the rear frame; side frames defining each of both side faces of the frame, wherein each side frame is fastened to each shelf bracket by each extending rail, fit wherein the front frame has a front lamp module irradiating light to another shelf located below in a rearward direction; wherein the rear frame has a rear lamp module irradiating light to another shelf located below in a forward direction; wherein the support bar includes downwardly inclined faces in contact with a circumferential face of the object loaded on the shelf, and wherein the downwardly inclined faces are respectively formed on both sides of a top face of the support bar, wherein each downwardly inclined face extends in a longitudinal direction.