A refrigerator having a cabinet defining: a refrigerating compartment ; a freezing compartment below the refrigerating compartment; a barrier vertically partitioning the refrigerating compartment and the freezing compartment ; and a heat exchange chamber defined in a rear side of the freezing compartment ; an evaporator disposed within the heat exchange chamber, for generating cool air; a drawer assembly defining a sealed space within the refrigerating compartment , the drawer assembly communicating with the heat exchange chamber to receive the cool air, and including: a case ; and a drawer withdrawably disposed inside the case ; a thermoelectric module disposed in the drawer assembly , the thermoelectric module quickly cooling an inside of the drawer assembly ; and a supply duct connecting the drawer assembly and the heat exchange chamber to supply cool air within the heat exchange chamber into the drawer assembly ; and a damper disposed in the supply duct , wherein the thermoelectric module includes: a thermoelectric device having a front surface which is defined as a heat absorbing surface and a rear surface which is defined as a heat radiating surface; an insulation member having a punched mounting part on which the thermoelectric device is mounted; a heat absorbing part contacting the front surface of the thermoelectric device ; a heat radiating part contacting the rear surface of the thermoelectric device , wherein the heat radiating part communicates with the heat exchange chamber , to discharge heat generated by radiation of the thermoelectric module into the heat exchange chamber , characterized in that cool air within the heat exchange chamber is introduced into the case along the supply duct to primarily cool the inside of the case , wherein the damper closes the supply duct when a temperature of the inside of the drawer assembly reaches a first set temperature, and an operation of the thermoelectric device starts at the same time to further cool the inside of the drawer assembly . a refrigerating compartment ; a freezing compartment below the refrigerating compartment; a barrier vertically partitioning the refrigerating compartment and the freezing compartment ; and a heat exchange chamber defined in a rear side of the freezing compartment ; a case ; and a drawer withdrawably disposed inside the case ; a thermoelectric device having a front surface which is defined as a heat absorbing surface and a rear surface which is defined as a heat radiating surface; an insulation member having a punched mounting part on which the thermoelectric device is mounted; a heat absorbing part contacting the front surface of the thermoelectric device ; a heat radiating part contacting the rear surface of the thermoelectric device , wherein the heat radiating part communicates with the heat exchange chamber , to discharge heat generated by radiation of the thermoelectric module into the heat exchange chamber , characterized in that cool air within the heat exchange chamber is introduced into the case along the supply duct to primarily cool the inside of the case , wherein the damper closes the supply duct when a temperature of the inside of the drawer assembly reaches a first set temperature, and an operation of the thermoelectric device starts at the same time to further cool the inside of the drawer assembly . <EOS>