To provide excellent deodorizing effect, extremely facilitate maintenance, save labor of a nursing person, and promote rehabilitation motion of a patient.

A cutting part to seal a mouth part of a continuous containing bag 2 containing excrement, seal a bottom part 2B of the next continuous containing bag 2, and cut off the sealed continuous containing bag 2 from the bottom part 2B of the next continuous containing bag 2 is provided. The continuous containing bag 2 is installed on a roughly circular installation body 4 in the condition where the long continuous containing bag 2 is compressed along its length direction. This installation body 4 is detachably installed around a lower opening part 1A of a toilet bowl 1. A continuous seal mechanism 3 comprises a sensor 5 to detect that a specified quantity of excrement is contained in the continuous containing bag 2.