PROBLEM TO BE SOLVED: To provide a toilet for pet, allowing a user to easily attach/detach a sheet to/from a urine receiving wall part when the user intends to do so, while enabling the user to firmly mount the sheet on the urine receiving wall part.SOLUTION: A sheet mounting part 37 allowing mounting of a sheet mounting member 40 for mounting a sheet on a urine receiving wall part 36 is formed on the upper part of the urine receiver wall part 36 for receiving urine of a pet. The sheet mounting part 37 is formed in a deformed shape in which it is deformed in the thickness direction with respect to the peripheral part of the sheet mounting part 37. The sheet mounting member 40 includes a pair of sheet sandwiching pieces 40 and 45 detachably fitting the sheet mounting member 40 into the sheet mounting part 37 and sandwiching the sheet mounting part 37 together with the sheet from both sides of the thickness direction. At least one of the pair of the sheet sandwiching pieces 40 and 45 is formed in a bent shape along the deformed shape of the sheet mounting part 37.
