This animal toilet has a longitudinal direction, a horizontal direction and a height direction, and comprises a urine passage unit having multiple slits through which urine passes, and an absorbent body installation unit which is provided below the urine passage unit and in which an absorbent body is installed for absorbing the urine passing through the urine passage unit. The outer periphery of the slits is surrounded by longitudinal ribs along the longitudinal direction and horizontal ribs along the horizontal direction. On the lower surface of the urine passage unit, the longitudinal ribs are higher than the lowest portion of the horizontal ribs provided to the frontmost side and/or the backmost side in the longitudinal direction.一種動物用便器，係具備前後方向、左右方向、及高度方向，並且具有：尿液通過部，具有供尿液通過的複數個狹縫；以及吸收體設置部，設置在比前述尿液通過部更靠下方並且設置有用以吸收通過前述尿液通過部的尿液之吸收體，前述狹縫係藉由沿著前述前後方向的縱肋、以及沿著前述左右方向的橫肋來圍繞外周，在前述尿液通過部的下面，前述縱肋的高度係比設置在前述前後方向的最前側及最後側中的至少其中一側之前述橫肋的最低部分的高度更高。
