The invention discloses a high-temperature low-nitrogen liquid alcohol fuel combusted kiln nozzle and a manufacturing method thereof. The kiln nozzle comprises a combustion device and a supply device. The supply device comprises a shell, a high-pressure liquid fuel guide pipe, a mixing unit and an ignition pin. The high-pressure liquid fuel guide pipe is provided with an atomizing nozzle. The combustion device comprises a two-dimensional swirl combustion chamber and a flame guide pipe. The two-dimensional swirl combustion chamber is a cavity with two end faces parallel to each other. The cavity is formed in the mode that an outward bent arc connected between the two planes parallel to each other rotates into a plane along the connecting line of the middle points of the two planes. The flame guide pipe is arranged on one of the end faces of the two-dimensional swirl combustion chamber. The two-dimensional swirl combustion chamber is provided with an opening, the ignition pin conducts ignition at the opening, and flames formed after ignition burn in the two-dimensional swirl combustion chamber rotationally. Thus, the kiln nozzle and the manufacturing method thereof have the advantages that the production amount of nitric oxide can be reduced, the effect that the combustion temperature of flames meets the requirement can be ensured, the utilization rate of fuel is higher, and environmental protection is better achieved.