PROBLEM TO BE SOLVED: To provide a drainboard and a toilet for a pet allowing effective prevention of the surface liquid residue of an excretion liquid.SOLUTION: The drainboard 2 is designed to receive the excretion liquid of the pet, and includes: a first surface 21 located on the side close to the pet during use； and a second surface 22 located on the side opposite to the first surface 21, and located on the side far from the pet during the use. A plurality of upwards convex parts 24 protruding to the side opposite to the second surface 22 and composed of a curved surface are formed on the first surface 21. The plurality of upwards convex parts 24 are disposed so as to form rows respectively in one direction X in the surface direction of the first surface 21 and in the direction Y intersecting with the one direction X. One or more gap parts 28 communicating with the side of the first surface 21 and the side of the second surface 22 are formed among the adjacent optional four upwards convex parts 24.【課題】排泄液の表面液残りを効果的に防止し得る簀の子及びペット用トイレを提供すること。【解決手段】本発明の簀の子２は、ペットの排泄液を受けるものであり、使用時にペットに近い側に位置する第１の面２１、及び該第１の面２１と反対側に位置し且つ使用時にペットから遠い側に位置する第２の面２２を有している。第１の面２１に、第２の面２２と反対側に突出し且つ曲面からなる上凸部２４が複数形成されている。複数の上凸部２４は、第１の面２１の面方向における一方向Ｘ及び該一方向Ｘと交差する方向Ｙそれぞれに列をなすように配置されている。隣り合う任意の４個の上凸部２４の間に、第１の面２１側と第２の面２２側とを連通する空隙部２８が１つ以上形成されている。【選択図】図２
