An independently controlled multi-column split cooling system in which a refrigerant executes heat exchange via a compressor, a condenser, expansion valves, a plurality of evaporators, comprising: the compressor, the condenser, the expansion valves, the plurality of evaporators, each having an evaporation fan, a controller, a plurality of refrigerant pipes and a plurality of electronic valves, wherein the plurality of evaporators are arranged in right and left columns in parallel; and wherein at least three evaporators are arranged in each column and the evaporators arranged in each column are split from one another in a vertical direction; and wherein the refrigerant pipes are respectively connected to the evaporators split from one another in the vertical direction; and wherein one expansion valve is installed at each of the right column and left column and the refrigerant pipes associated with the evaporators of said columns are branched off from the expansion valve associated with the same column; and wherein the controller independently operates the evaporators respectively connected to the refrigerant pipes; and wherein the evaporation fan is installed at one side of each of the evaporators so as to be controlled while interworking with operation of the corresponding evaporator; wherein for each of the right and left columns, one of the evaporators, which is always operated to perform minimal cooling, is directly connected by its refrigerant pipe to the expansion valve associated with the column, and for all the other evaporators in the column, the electronic valves are installed at the refrigerant pipes connected to the evaporators, and thus, opening and closing of the electronic valves are independently controlled by the controller according to operation of the evaporators. the compressor, the condenser, the expansion valves, the plurality of evaporators, each having an evaporation fan, a controller, a plurality of refrigerant pipes and a plurality of electronic valves, wherein the plurality of evaporators are arranged in right and left columns in parallel; and wherein at least three evaporators are arranged in each column and the evaporators arranged in each column are split from one another in a vertical direction; and wherein the refrigerant pipes are respectively connected to the evaporators split from one another in the vertical direction; and wherein one expansion valve is installed at each of the right column and left column and the refrigerant pipes associated with the evaporators of said columns are branched off from the expansion valve associated with the same column; and wherein the controller independently operates the evaporators respectively connected to the refrigerant pipes; and wherein the evaporation fan is installed at one side of each of the evaporators so as to be controlled while interworking with operation of the corresponding evaporator; wherein for each of the right and left columns, one of the evaporators, which is always operated to perform minimal cooling, is directly connected by its refrigerant pipe to the expansion valve associated with the column, and for all the other evaporators in the column, wherein the plurality of evaporators are arranged in right and left columns in parallel; and wherein at least three evaporators are arranged in each column and the evaporators arranged in each column are split from one another in a vertical direction; and wherein the refrigerant pipes are respectively connected to the evaporators split from one another in the vertical direction; and wherein one expansion valve is installed at each of the right column and left column and the refrigerant pipes associated with the evaporators of said columns are branched off from the expansion valve associated with the same column; and wherein the controller independently operates the evaporators respectively connected to the refrigerant pipes; and wherein the evaporation fan is installed at one side of each of the evaporators so as to be controlled while interworking with operation of the corresponding evaporator; wherein for each of the right and left columns, one of the evaporators, which is always operated to perform minimal cooling, is directly connected by its refrigerant pipe to the expansion valve associated with the column, and for all the other evaporators in the column, the electronic valves are installed at the refrigerant pipes connected to the evaporators, and thus, opening and closing of the electronic valves are independently controlled by the controller according to operation of the evaporators.