Disclosed is a refrigerator including a main body provided with a storage chamber; a door to respectively open and close the storage chamber; a control unit installed the door to select an operation; a reception part provided in the door to receive the control unit; and an installation hole provided on a side end of the door to cause the control unit to be inserted into the reception part. The control unit is installed through the side end of the door, which is deviated from a user's line of sight.