The invention discloses an OLED leucoderma therapeutic instrument. The OLED leucoderma therapeutic instrument comprises a leucoderma therapeutic end and a power source driving device, wherein the leucoderma therapeutic end comprises an OLED light source used for emitting a red light source. The OLED leucoderma therapeutic instrument is advantaged in that an OLED is taken as a therapeutic light source, red light emitted by a red light emission unit is employed, repair cream is further cooperatively utilized to effectively stimulate melanin cells to secrete melanin, a concentration level of hydrogen peroxide of leucoderma skin is reduced, and thereby leucoderma therapeutic operation is carried out.