The invention aims at providing a nozzle for enhancing the atomization by plasma. The nozzle comprises a low-temperature plasma discharging assembly, an oil filter and a swirler assembly, wherein the low-temperature plasma discharging assembly comprises an outer electrode, an inner electrode, a ceramic piece and a power supply connecting frame, the power supply connecting frame is sheathed on the outer electrode, one part of the ceramic piece is installed in the outer electrode, the other part of the ceramic piece is installed in the power supply connecting frame, the inner electrode is installed in the ceramic piece, and a discharging area is formed between the ceramic piece and the outer electrode; the swirler assembly comprises a bracket, a support spring, a nozzle shell, a swirler and a swirler shell, the swirler is installed in the swirler shell, the support spring is connected with the bracket and the swirler, the swirler shell is installed in the nozzle shell, and a spray nozzle of the swirler shell is communicated with a spray nozzle of the nozzle shell; and the low-temperature plasma discharging assembly is connected with the swirler assembly, and the oil filter is installed on the outer electrode and is communicated with the discharging area. According to the nozzle for enhancing the atomization by plasma provided by the invention, the atomization effect is improved, and the flame transmission speed is quickened.