A refrigerator having a cabinet defining a storage space and a door configured to be slidably moved to open or close the storage space and a door handle disposed on a front surface of the door, the door handle configured to being manipulated to open the door, a left and right opening hole passing through both sides of the front surface of the door corresponding to both left and right ends of the door handle; and an opening device disposed within the door corresponding to each opening hole, the opening device being coupled to both ends of the door handle to partially protrude backward from the door when the door handle is manipulated, thereby pushing the cabinet and assist opening of the door, characterised in that the opening device comprises: a cover comprising a left cover and a right cover which are coupled to each other and respectively define outer appearances of left and right sides of the cover; a handle bracket rotatably disposed within the cover and being coupled to the door handle through the opening hole; a first extension disposed on an upper end of the handle bracket and having a bracket rotation shaft disposed on an upper end thereof, the bracket rotation shaft being axially coupled to each of the left cover and the right cover; a second extension disposed on a rear of the handle bracket and having a link insertion hole defined in a rear thereof; a slider disposed movable in front and rear directions within the cover, the slider protruding from a rear surface of the door by manipulation of the handle bracket to push a side of the cabinet; a link rotatably mounted between the bracket rotation shaft and the slider, which are vertically positioned with respect to each other, wherein the lower portion of the link is received in the link insertion hole and the upper end of the link is contacting the slider; a link rotation shaft protruding outward in two opposite side directions provided at a central portion of the link and axially coupled to each of the left cover and the right cover; and an elastic member disposed between the cover and the slider to provide an elastic force for return of the slider; wherein the bracket rotation shaft and the link rotation shaft are attached to the cover by the engagement of the left cover and the right cover. a cover comprising a left cover and a right cover which are coupled to each other and respectively define outer appearances of left and right sides of the cover; a handle bracket rotatably disposed within the cover and being coupled to the door handle through the opening hole; a first extension disposed on an upper end of the handle bracket and having a bracket rotation shaft disposed on an upper end thereof, the bracket rotation shaft being axially coupled to each of the left cover and the right cover; a second extension disposed on a rear of the handle bracket and having a link insertion hole defined in a rear thereof; a slider disposed movable in front and rear directions within the cover, the slider protruding from a rear surface of the door by manipulation of the handle bracket to push a side of the cabinet; a link rotatably mounted between the bracket rotation shaft and the slider, which are vertically positioned with respect to each other, wherein the lower portion of the link is received in the link insertion hole and the upper end of the link is contacting the slider; a link rotation shaft protruding outward in two opposite side directions provided at a central portion of the link and axially coupled to each of the left cover and the right cover; and an elastic member disposed between the cover and the slider to provide an elastic force for return of the slider; wherein the bracket rotation shaft and the link rotation shaft are attached to the cover by the engagement of the left cover and the right cover.