PROBLEM TO BE SOLVED: To provide a toilet apparatus capable of not only performing a urine test but also easily observing various kinds of enteric bacteria, even though conventional toilet apparatuses have been focused on urinalysis to examine the presence or absence of urine sugar or the like.SOLUTION: According to the present invention, the toilet apparatus comprises bedpan, a well plate, a subject obtained from excrement excreted in a toilet bowl, an observation section where the state of intestinal bacteria in excrement excreted in the toilet bowl by a person being excreted is observed using the well plate, and an observation-result output section where the result of the observation is output. The use of excrement after excretion allows the person being excreted to easily grasp the state of intestinal bacteria thereof to offer a health benefit to the person.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2017,JPO&INPIT【課題】尿糖等の有無を調べる尿検査を主眼としたトイレ装置は存在したが、尿検査だけでなく、腸内細菌の多種多様な状態を、簡易に観察できるトイレ装置が望まれていた。【解決手段】本発明にかかる、便器と、ウエルプレートと、便器に排泄された排泄物から得られる被検体と、前記ウエルプレートと、によって便器に排泄された排泄物の排泄主の腸内細菌の状態を観察する観察部と、観察結果を出力する観察結果出力部と、を備えたトイレ装置により、用便の際の排泄物を利用して、簡単に排泄主の腸内細菌の状態を知り、健康状態の把握に役立てることが可能となる。【選択図】図1