A refrigerator comprising: a cabinet including an inner case forming a storing chamber, an outer case surrounding the inner case and a cabinet insulator disposed between the inner case and the outer case; a door having a first side hinged to the cabinet to open the storing chamber, wherein a second side of the door is rotatable forward about the first side of the door; a thermoelectric element module provided at or adjacent to a wall of the storing chamber and including a heat-absorbing sink and a heat-dissipating sink; a supply duct provided at the inner case to discharge cold air heat-exchanged in the heat-absorbing sink to the storing chamber, the supply duct comprising a first supply duct disposed on a rear wall of the storing chamber, a second supply duct extending forward from an upper portion of the first supply duct, and a third supply duct extending forward from a lower portion of the first supply duct; a second discharge hole formed at a front of the second supply duct; a third discharge hole formed at a front of the third supply duct; a cold air circulation fan provided at a side of the heat-absorbing sink, the cold air circulation fan to blow the cold air in the storing chamber towards the heat-absorbing sink; a cold air accumulation agent provided in the supply duct to be cooled by the cold air flowing through the supply duct; a heat dissipation duct configured to discharge the air heat-exchanged in the heat-dissipating sink to an outside of the refrigerator; and a heat dissipation fan (320, 330) provided in the heat dissipation duct, the heat dissipation fan to force external air to flow in the heat dissipation duct, characterized in that the thermoelectric element module is provided at the rear wall of the storing chamber, the first supply duct comprises a first discharge hole for discharging the cold air to the storing chamber, the heat dissipation duct is provided at the cabinet insulator, and the second and third discharge holes (153a, 155a) are arranged to discharge the cold air blown by the cold air circulation fan toward the door. a cabinet including an inner case forming a storing chamber, an outer case surrounding the inner case and a cabinet insulator disposed between the inner case and the outer case; a door having a first side hinged to the cabinet to open the storing chamber, wherein a second side of the door is rotatable forward about the first side of the door; a thermoelectric element module provided at or adjacent to a wall of the storing chamber and including a heat-absorbing sink and a heat-dissipating sink; a supply duct provided at the inner case to discharge cold air heat-exchanged in the heat-absorbing sink to the storing chamber, the supply duct comprising a first supply duct disposed on a rear wall of the storing chamber, a second supply duct extending forward from an upper portion of the first supply duct, and a third supply duct extending forward from a lower portion of the first supply duct; a second discharge hole formed at a front of the second supply duct; a third discharge hole formed at a front of the third supply duct; a cold air circulation fan provided at a side of the heat-absorbing sink, the cold air circulation fan to blow the cold air in the storing chamber towards the heat-absorbing sink; a cold air accumulation agent provided in the supply duct to be cooled by the cold air flowing through the supply duct; a heat dissipation duct configured to discharge the air heat-exchanged in the heat-dissipating sink to an outside of the refrigerator; and a heat dissipation fan (320, 330) provided in the heat dissipation duct, the heat dissipation fan to force external air to flow in the heat dissipation duct, the thermoelectric element module is provided at the rear wall of the storing chamber, the first supply duct comprises a first discharge hole for discharging the cold air to the storing chamber, the heat dissipation duct is provided at the cabinet insulator, and the second and third discharge holes (153a, 155a) are arranged to discharge the cold air blown by the cold air circulation fan toward the door.