A kind of cat is urinated and defecated device, excreta can be categorized into excrement and urine. Cat device of urinating and defecating includes support portion, excrement storage part, oblique classification part and urine storage part. Support portion has supporting surface and forms the excrement outlet of what supporting surface. Excrement storage part configures below what supporting surface, and has first entrance. Oblique classification part has inclined-plane and forms the through-hole on what inclined-plane. Excrement outlet exposes inclined-plane, and inclined-plane what guides excrement, so that excrement is moved to first entrance along inclined-plane, and enters excrement storage part from first entrance. Urine storage part configures the lower section on what inclined-plane, and the urine flowed out from through-hole is accommodated with what.一種貓便溺裝置，其能將排泄物分類成糞便與尿液。貓便溺裝置包括支撐部、糞便存放部、斜向分類件以及尿液存放部。支撐部具有支撐面以及形成於支撐面的排便口。糞便存放部配置於支撐面下方，並具有第一入口。斜向分類件具有斜面以及形成於斜面的通孔。排便口暴露斜面，而斜面用於導引糞便，以使糞便沿著斜面移動至第一入口，並從第一入口進入糞便存放部。尿液存放部配置於斜面的下方，並用於容置從通孔流出的尿液。
