The odor discharge device of the toilet according to the present invention, one end of which is connected to the odor exhaust mechanism provided in the lower portion of the toilet, the other end odor discharge pipe is installed to be exposed to the ceiling of the toilet; An exhaust fan installed at an exposed end of the odor discharge pipe in the ceiling to be connected to the inlet; And one passage of three connection passages is connected to the exhaust port of the exhaust fan, and the other two connection passages are respectively connected to an indoor exhaust fan and an external exhaust pipe, which are existing ventilation facilities of the toilet, and each inside of the three connection passages. It comprises a three-way soundproof and backwind blocking terminals each provided with a blocking plate to enable only the flow of air in one direction.;According to the present invention, the odor discharge pipes and the exhaust fan and the soundproof and backwind blocking terminals are installed separately in the ventilation facilities of the existing toilet and toilet, forcibly ventilated, so that the odor generated from the toilet can be more completely removed. Not only can it prevent the reverse wind phenomenon, it has the advantage of preventing the backflow of noise and odor into the room.
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