A water 
closet with a deodorizing device comprises a water 
closet body and a water tank, an air exhausting device is mounted in the water tank and comprises an air inlet 
pipe and an air 
exhaust pipe, the air inlet 
pipe is connected with an overflow 
pipe in the water tank, an air exhaust fan is arranged in the air 
exhaust pipe, a multifunctional water and air valve is arranged between the air inlet pipe and the air 
exhaust pipe, the air exhaust pipe downwardly penetrates through the bottom of the water tank and extends a separation cavity on the rear portion of a urinal of the water 
closet body, the lower end of the air exhaust pipe is communicated with a water closet S-shaped bent 
sewage discharging pipe in the urinal via a corrugated pipe, and the joint of the corrugated pipe and the S-shaped bent 
sewage discharging pipe is arranged at any position between the top point of the S-shaped bent 
sewage discharging pipe and a discharging port. The deodorizing device exhausts 
odor via the water closet S-shaped bent sewage discharging pipe, so that a pipeline does not need to be led out of the water closet body to connect a sewer pipeline. The water closet is simple in design, convenient to 
mount and use, compact in structure, attractive in appearance, free of external exhausting fans and capable of keeping air in a 
toilet clean, and has the functions of saving 
electricity and water.