A sterilizer for toothbrushes, puffs for cosmetic use and cosmetic brushes that dehydrates and sterilizes toothbrushes, puffs for cosmetic use and cosmetic brushes en bloc with ease and includes a housing 10, a cover 20 that is put on and removed from the housing from above, a dehydrating sterilizer member 30 that protrudes vertically upwards from the center of the bottom surface of the housing 10, a lower holder member 40 that is inserted in the housing 10 and has a insertion hole 44 through which the dehydrating sterilizer member 30 is inserted and hold cups 45 that accept toothbrushes and cosmetic brushes, an upper holder member 50 that is placed on the upper portion of the lower holder member 40 and a holder 60 that holds a puff for cosmetic use.
