This animal toilet has a longitudinal direction, a horizontal direction and a height direction, and comprises an upper container having a urine passage unit through which urine passes, a tray in which an absorbent body is installed for absorbing urine passing through the urine passage unit, and a lower container which can accommodate the tray. In the upper container, a restricting unit is provided which restricts the position of the upper container relative to that of the tray. In a first state, in which the upper container is stacked above the tray, the restricting unit is not in contact with the tray, and the upper surface of the urine passage unit is below the uppermost part of the side wall of the tray, and in a second state, which is different from the first state and in which the upper container is stacked above the tray, the restricting unit is in contact with the tray, and the upper surface of the urine passage unit is below the uppermost part of the side wall of the tray.具備前後方向、左右方向、及高度方向，且具有：上容器，其設有供尿通過的尿通過部；托盤，其設置有將通過前述尿通過部之尿予以吸收的吸收體；以及下容器，其可收容前述托盤，於前述上容器，設有用來限制前述上容器對前述托盤之相對位置的限制部，在前述上容器重疊於前述托盤的上方的第1狀態中，前述限制部，並未與前述托盤接觸，前述尿通過部的上表面，係比前述托盤之側壁的最上部還低，在前述上容器重疊於前述托盤的上方之與前述第1狀態不同的第2狀態中，前述限制部，係與前述托盤接觸，前述尿通過部的上表面，係比前述托盤之側壁的最上部還低。
