Disclosed is a sterilization apparatus using hydrogen peroxide, which comprises a housing which has a sterilization chamber for accommodating to-be-sterilized objects an evaporator connected with the sterilization chamber for supplying hydrogen peroxide vapor to the sterilization chamber for the purpose of sterilizing to-be-sterilized objects a hydrogen peroxide supply apparatus connected with the evaporator for the purpose of supplying liquid hydrogen peroxide to the evaporator a vacuum pump connected with the sterilization chamber for the purpose of providing a vacuum pressure to the sterilization chamber a blower which includes a fan disposed in the interior of the sterilization chamber for forcibly flowing the air of the sterilization chamber and a motor for driving the fan and a fan heater disposed in the interior of the sterilization chamber for the purpose heating the air flowing by means of the fan. The sterilization apparatus using hydrogen peroxide according to the present invention is directed to quickly raising the temperature of the to-be-sterilized objects in the interior of the sterilization chamber with the aid of the convection phenomenon of the heated wind using the fan and the fan heater.