< Topic >There are no times when it protrudes from the rest room sheet after the rest room sheet which the releasing urine of the dog spread in the rest room instrument in order to be excreted, they offer the rest room instrument for the interior dog of the structure which induces the fore-limb.SolutionsIt is the rest room instrument for the interior dog, as for the edges it possesses the wall of the height where it cannot exceed the dog, as for remaining one side on the tray and the rest room sheet which possess the wall of the height where the dog is easy to stride as an entrance opening of the dog, there are no times when the dog protrudes from the rest room sheet and securely by the striding base and the hinge etc in order to put the fore-limb in the position where the releasing urine they are jointed by tray aperture public side it is possible they are easy to spread without the rest room sheet slipping, it possesses the rotary possible rest room sheet keep plate.< Choice figure >Drawing 1【課題】犬の放尿がトイレ器具に敷いたトイレシート上でトイレシートからはみ出すこと無く排泄されるように前肢を誘導する構造の室内犬用トイレ器具を提供する。【解決手段】室内犬用トイレ器具であり、三方は犬が越えられない高さの壁を有し、残り一方は犬の入り口開口部として、犬の跨ぎ易い高さの壁を有するトレーと、トイレシート上に、犬がトイレシートからはみだすこと無く確実に放尿できる位置に前肢を置くための跨ぎ台と、ヒンジ等によりトレー開口部外側に接続され、トイレシートがずれることなく敷き易い、回転可能なトイレシート抑え板を有する。【選択図】図1