A refrigerator comprising: a first freezing cycle device (C1) which includes a first compressor , a first condenser , a first expansion mechanism , and a first evaporator , through which refrigerant circulates; a first fan which circulates cool air in a freezing compartment to the first evaporator and the freezing compartment ; a second freezing cycle device (C2) which includes a second compressor , a second condenser , a second expansion mechanism , and a second evaporator , through which the refrigerant circulates; a second fan which circulates cold air in a refrigerating compartment to the second evaporator and the refrigerating compartment ; a third fan which blows outside air to the first condenser and the second condenser ; an outside air sensor which detects the temperature of the outside air; and a control module which is connected to the outside air sensor and is configured to control the first compressor , the second compressor , the first fan , the second fan , and the third fan , characterized in that the control module is configured to perform a high-temperature initial simultaneous operation (S2) when an outside air temperature is an outside air set temperature or more, and is configured to perform a high-temperature initial alternation operation (S5) when a freezing compartment temperature exceeds a freezing compartment set temperature and a refrigerating compartment temperature is a refrigerating compartment set temperature or less during the high-temperature initial simultaneous operation (S2), and wherein the control module is configured to drive the first compressor and the second compressor together and to drive each of the first fan , the second fan , and the third fan , during the high-temperature initial simultaneous operation (S2), and is configured to alternately drive the first compressor and the second compressor during the high-temperature initial alternation operation (S5). a first freezing cycle device (C1) which includes a first compressor , a first condenser , a first expansion mechanism , and a first evaporator , through which refrigerant circulates; a first fan which circulates cool air in a freezing compartment to the first evaporator and the freezing compartment ; a second freezing cycle device (C2) which includes a second compressor , a second condenser , a second expansion mechanism , and a second evaporator , through which the refrigerant circulates; a second fan which circulates cold air in a refrigerating compartment to the second evaporator and the refrigerating compartment ; a third fan which blows outside air to the first condenser and the second condenser ; an outside air sensor which detects the temperature of the outside air; and a control module which is connected to the outside air sensor and is configured to control the first compressor , the second compressor , the first fan , the second fan , and the third fan , characterized in that the control module is configured to perform a high-temperature initial simultaneous operation (S2) when an outside air temperature is an outside air set temperature or more, and is configured to perform a high-temperature initial alternation operation (S5) when a freezing compartment temperature exceeds a freezing compartment set temperature and a refrigerating compartment temperature is a refrigerating compartment set temperature or less during the high-temperature initial simultaneous operation (S2), and wherein the control module is configured to drive the first compressor and the second compressor together and to drive each of the first fan , the second fan , and the third fan , during the high-temperature initial simultaneous operation (S2), and is configured to alternately drive the first compressor and the second compressor during the high-temperature initial alternation operation (S5). <EOS>