TOILET SEAT DEVICE

PROBLEM TO BE SOLVED: To provide a toilet seat device capable of preventing the toilet seat device from being erroneously operated on the basis of an erroneous detection signal even when a radio wave sensor is disposed at a position where at least part of a radiated radio wave interferes with a nozzle.SOLUTION: A toilet seat device comprises: a nozzle which is provided in a main body unit and can move in the longitudinal direction; a radio wave sensor 23 which is provided in the main body unit and acquires movement information on a detection object as a detection signal; and a control unit 20 for controlling operation of the toilet seat device. The radio wave sensor 23 is arranged laterally adjacent to the nozzle so that at least part of the radiated radio wave interferes with the nozzle. The control unit 20 includes detection signal discrimination means for discriminating between a detection signal on movement of a human body and a detection signal on movement of the nozzle. When the nozzle is moving, the control unit cancels the detection signal on movement of the nozzle discriminated by the detection signal discrimination means, and does not cancel the detection signal on movement of the human body discriminated by the detection signal discrimination means.