To wash a user's hip by jetted hot water by jetting hot water simultaneously with the evacuation of the inside of a toilet by a sucking force after the hip is closely put on the toilet to forcibly suck filth and offensive smell in the toilet for treatment.

A user's hip 6 is closely put on a toilet 1 and the intensity of hot water jetted out of a port 5 is adjusted according to the degree of the tightness of the hip. Following the operation of a switch, a sucking force is applied from a rotation chamber 2 to evacuate the inside of the toilet 1 and the at the same time, the hot water is jetted out of the port 5, so that filth and offensive smell in the toilet 1 are forcibly sucked and exhausted to be treated, Moreover, the jetted hot water washes the hip 6. At this point, the jetting of the hot water is adjusted at a hot water supply port. During the evacuation, the filth and the offensive smell are treated by a sucking air and a treating device 3 to keep the hot water from splashing the hip 6. The main body of the toilet thus obtained can be imbedded into a wall of a building or the like and, for example, incorporating thereof during the newly built period of a hospital or the like especially improve convenience for a patient or the like.