To provide a cold drink supplier, simple in cleaning, sanitary, capable of reducing power consumption due to the opening and closing of a door and capable of supplying a plurality of kinds of drinks selected arbitrarily.

Two marketed PET bottles 4, 5 for drinks, whose openings are provided with exclusive plug members 24, 24 instead of conventional plugs for sealing the openings thereof, are set to a bottle retaining unit 12, provided on the inner surface side of the door 3 of a refrigerating chamber. A PET bottles 5 is selected arbitrarily from the outside of the door 3 and the valve of the plug member 24, attached to the PET bottle 5, is opened and closed by a control unit 54 to conduct drink in the PET bottle 5 into a liquid supplying route 34, penetrating through the door, and supply it into a drink take-out unit 18, provided on the outer surface side of the door 3 whereby drink can be supplied from two pieces of PET bottles 4, 5 in the refrigerating chamber to the outside while selecting the drinks arbitrarily.