Toilet device

The invention provides a toilet device which can properly sterilize a toilet seat with a simple structure that inhibits the size increase and cost increase of the toilet device. A toilet device is provided with: a toilet seat; the toilet cover covers the toilet seat in a manner that a specified space is formed between the toilet cover and the seating surface of the toilet seat in a closed state; a mist generating device which communicates with a blow-out opening provided so as to be exposed to the predetermined space, and which generates a sterilization water mist; and a control device for controlling the mist generating device. The toilet cover is provided with a peripheral wall part on the outer peripheral edge, the peripheral wall part extends in a manner of surrounding at least one part of the outer peripheral edge of the toilet seat in a closed state, and the control device performs sterilization treatment of enabling the mist generating device to work to generate sterilization water mist when the toilet