Abstract: Provided is a toilet device that obtains a more detailed estimation result of a health condition. A toilet device (1) includes a toilet body (10) that includes a toilet bowl part (11), a camera (20) that photographs feces discharged and falling into the toilet bowl part (11) in time series and acquires a plurality of still images of the feces, and a fecal properties estimation part (30) that estimates a change in property of the feces from the plurality of still images acquired by the camera (20). The toilet device (1) estimates the change ire the property of the feces from the still images of the feces photographed in time series by the camera (20). Therefore, it is possible to obtain more detailed information on a user's health condition, in particular, the health condition of a digestive system (an intestinal environment).