Disclosed herein is a refrigerator includes a center frame provided to be spaced apart from the both walls of the body. The center frame includes a rear coupling unit coupling to the rear wall of the body, an arm unit extended forward from the rear coupling unit. The center frame may support at least two shelves disposed in a left side and a right side in the body so that the center frame supports moving of one or a combination of the shelves forward and backward with respect to the body.