Disclosed is a refrigerator including, a rear shelf that is located in an inner case, a front shelf that is located closer to the open front of the storage compartment than the rear shelf, a guard that is rotatably connected to the front shelf, and a front shelf lifting device that is configured to rotate the front shelf down about an axis at the rear shelf based on the guard moving up, wherein the front shelf lifting device is configured to maintain an orientation of the front shelf during rotation. The front shelf lifting device comprises a connection bar that is configured to connect the front shelf and the rear shelf, and an interlocking mechanism. The interlocking mechanism comprises a first gear and a second gear. The guard comprises a side guard and a front guard, wherein the side guard is hinged to the front shelf. The second gear is located at the side guard. An end of the connection bar that faces a lateral surface of the front shelf is hinged to the front shelf. The first gear is located at an end of the connection bar that faces a lateral surface of the front shelf and is adjacent to the second gear. A diameter of the second gear is greater than a diameter of the first gear. The front shelf includes a guide protrusion member, and the inner case includes a protrusion member guide rail that is configured to guide a sliding movement of the guide protrusion member. 11. In addition, the refrigerator comprises an elastic member, a protruding part, and a non-slip mat. The rear shelf includes a connection bar guide rail. A rear shelf guide is located in the inner case and is configured to guide a sliding movement of the rear shelf.