A method for controlling a refrigerator including a plurality of compressors (111, 115) and a plurality of evaporators (150, 160) provided on inlet-sides of the plurality of compressors (111, 115) to supply cool air to a refrigerating compartment and a freezing compartment of the refrigerator, the method comprising: determining (S 13) whether a temperature of the refrigerating compartment is within a refrigerating compartment satisfaction range ((T 0 -ΔT 1) to (T 0 +ΔT 1)) that includes a temperature (To) set by a user; determining an indoor temperature of a space in which the refrigerator is installed when the temperature of the refrigerating compartment is outside of the refrigerating compartment satisfaction range ((T 0 -ΔT 1) to (T 0 +ΔT 1)); and determining whether a load corresponding operation condition is satisfied when the determined indoor temperature is within a set range, wherein, when the load corresponding operation condition is satisfied, a simultaneous cooling operation (S29, S47) of the refrigerating compartment and the freezing compartment is performed, and when the load corresponding operation condition is not satisfied, a cooling operation of the refrigerating compartment is performed, wherein the load corresponding operation condition includes a state in which a temperature of one storage compartment of the refrigerating compartment and the freezing compartment is within an upper limit range (>(T 0 +ΔT 2)), and a temperature of the other storage compartment is strictly above a lower limit temperature (T 0 -ΔT 1) in the satisfaction range ((T 0 -ΔT 1) to (T 0 +ΔT 1)), and wherein the satisfaction range ((T 0 -ΔT 1) to (T 0 +ΔT 1)), a dissatisfaction range ((T 0 +ΔT 1) to (T 0 +ΔT 2)), and the upper limit range (>(T 0 +ΔT 2)) are defined with respect to the set temperature (T 0), the satisfaction range includes a temperature range that is defined by a first set width (ΔT 1) with respect to the set temperature (To), the dissatisfaction range includes a temperature range that is above the satisfaction range and defined by a second set width (ΔT 2) greater than the first set width (ΔT 1) with respect to the set temperature (To), and the upper limit range includes a temperature range that is above the dissatisfaction range. determining (S 13) whether a temperature of the refrigerating compartment is within a refrigerating compartment satisfaction range ((T 0 -ΔT 1) to (T 0 +ΔT 1)) that includes a temperature (To) set by a user; determining an indoor temperature of a space in which the refrigerator is installed when the temperature of the refrigerating compartment is outside of the refrigerating compartment satisfaction range ((T 0 -ΔT 1) to (T 0 +ΔT 1)); and determining whether a load corresponding operation condition is satisfied when the determined indoor temperature is within a set range, wherein, when the load corresponding operation condition is satisfied, a simultaneous cooling operation (S29, S47) of the refrigerating compartment and the freezing compartment is performed, and when the load corresponding operation condition is not satisfied, a cooling operation of the refrigerating compartment is performed, wherein the load corresponding operation condition includes a state in which a temperature of one storage compartment of the refrigerating compartment and the freezing compartment is within an upper limit range (>(T 0 +ΔT 2)), and a temperature of the other storage compartment is strictly above a lower limit temperature (T 0 -ΔT 1) in the satisfaction range ((T 0 -ΔT 1) to (T 0 +ΔT 1)), and wherein the satisfaction range ((T 0 -ΔT 1) to (T 0 +ΔT 1)), a dissatisfaction range ((T 0 +ΔT 1) to (T 0 +ΔT 2)), and the upper limit range (>(T 0 +ΔT 2)) are defined with respect to the set temperature (T 0), the satisfaction range includes a temperature range that is defined by a first set width (ΔT 1) with respect to the set temperature (To), the dissatisfaction range includes a temperature range that is above the satisfaction range and defined by a second set width (ΔT 2) greater than the first set width (ΔT 1) with respect to the set temperature (To), and the upper limit range includes a temperature range that is above the dissatisfaction range.