Disclosed herein is a refrigerator of which door is opened without interference by a structure positioned next to a side of the refrigerator. Since a main body and the door of the refrigerator are provided with hinge units, while the door is opening, the hinge units rotate in a direction in which the door rotates while protruding, and thus the structure positioned next to the side of the refrigerator is not positioned in a radius of rotation of the door, and the door may rotate without interference. In addition, hinge covers which move in conjunction with the movement of the hinge units are provided at one sides of the hinge units. When the hinge units protrude due to the opening of the door, since protrusions of the hinge units are provided not to be exposed by one ends of the hinge covers sliding.