The present invention provides a sterilization apparatus. The sterilization apparatus comprises a sterilant extractor configured to extract a sterilant using an auxiliary needle from a sterilant cartridge disposed inside or outside a sterilization chamber and a sterilant supplier configured to receive the sterilant extracted through the auxiliary needle, to vaporize the sterilant through a vaporizer, and to provide the vaporized sterilant to the sterilization chamber or a vacuum pouch disposed inside the sterilization chamber through a main needle.