Straight-through closet

The utility model discloses a straight-through closet relating to a sanitary appliance. The utility model mainly solves the problem of large water consumption and smell-returning existing in the prior closet. The utility model comprises a closet body and is characterized in that a sleeve is arranged in the closet body, an air-isolating bag is arranged at the bottom of the sleeve; the closet body is of straight-through type, and a slope is arranged at the bottom of the closet body; the sleeve is filler-shaped, the bottom of the sleeve has a cylinder-shaped mouth; the air-isolating bag is of a cylinder shape and is ringed at the bottom of the sleeve. The utility model adopts a straight-through structure, the flow goes from top to bottom and flows fluently; and the utility model is of no smell returned, no water spattering, simple manufacturing, low cost and is suitable for home use.