The present invention relates to a plasma power source for generating an ionized hydrogen peroxide aerosol, and more particularly, to a plasma power source for generating ionized hydrogen peroxide aerosol (IHPA), comprising a hydrogen peroxide solution storage and supply unit ; An air supply unit provided with an air pump for introducing external air and supplying pressurized air; A spray device having a spray nozzle and spraying the hydrogen peroxide solution with the hydrogen peroxide solution storing and supplying part and the hydrogen peroxide solution and the pressurized air from the air supplying part and spraying the hydrogen peroxide solution with the water droplet through the spray nozzle; And a plurality of plasma DC electrodes for generating plasma discharge of different DC voltages so as to be dispersed in the form of hydrogen peroxide aerosol (IHPA), which is installed in proximity to the spray nozzle of the spray device and hydrogen peroxide sprayed in the form of droplets is dispersed in ionized form A plasma generating device for generating plasma; And a plasma power supply unit for supplying different DC power to each of the plurality of plasma DC electrodes of the plasma generator unit to cause plasma discharge of different DC voltages in the plasma generator unit. do. According to the plasma power supply apparatus for generating ionized hydrogen peroxide aerosols proposed in the present invention, in constructing the plasma power supply apparatus for generating the ionized hydrogen peroxide aerosols, the plasma power supply unit supplies different DC voltages to the plurality of plasma DC electrodes It is possible to improve the ionization efficiency of the hydrogen peroxide of the droplet mist sprayed through the spray nozzle through the plasma discharge of the different DC voltage generated in the plurality of plasma DC electrodes. According to the present invention, different DC voltages within a range of 1,000 [V] to 17,000 [V] are applied to