The present invention relates to a sterilizer for a snoring prevention member. In the present invention, a sterilizer for a snoring prevention member is disclosed, comprising a Y-shaped support for holding the snoring prevention member in a vertical direction. By minimizing the contact area for holding the snoring member by the sterilizer for the snoring member of the present invention, it is possible to minimize the area not irradiated with UV light. In addition, since the snoring prevention member is vertically placed and the surface receiving the snoring prevention member is formed as multiple reflective surfaces, UV light can be evenly irradiated to the snoring prevention member. In addition, by the tumbler sterilizer of the present invention, it is possible to make a tumbler with a waterproof function, convenient charging, and convenient use at a low cost.
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