PROBLEM TO BE SOLVED: To provide a system toilet for a dog, which can be used without spreading over granules on an upper container and can easily be cleaned.SOLUTION: The system toilet 1 for the dog, which comprises an excrement-receiving container 2 having an excrement-receiving portion 21 capable of receiving excrements, and an upper container 4 having a liquid-permeable bottom surface portion 41 and a side wall portion 42 standing from the peripheral edge of the bottom surface portion 41, and in which a liquid-permeable panel 3 having water absorbability is loaded on the upper surface side of the bottom surface portion 41, is characterized in that the standing angle of the side wall portion 42 from the bottom surface portion is &ge90 degree, and the upper container 4 is formed by an integral molding method without having a joint in the bottom surface portion 41 and the side wall portion 42.COPYRIGHT: (C)2012,JPO&INPIT【課題】上部容器に粒状物を敷き詰めることなく使用でき、かつ、掃除を容易に行うことのできる犬用システムトイレを提供すること。【解決手段】排泄物を収容可能な排泄物収容部21を有する排泄物収容容器2と、液透過性を有する底面部41、及び底面部41の周縁から起立する側壁部42を有する上部容器4と、を備え、底面部41の上面側に吸水性を有する液透過パネル3が載置されて使用される犬用システムトイレ1であって、側壁部42の底面部からの起立角度は90度以上であり、かつ、上部容器4は、底面部41及び側壁部42が継目を有することなく一体成形により形成されている。【選択図】図4