[Challenge] the elderly, to inform the time of those of defecation without subjective symptoms of people with disabilities, to provide a flat litmus sheet for nursing care to teach an unpleasant state. A elderly, among people with disabilities, of those who need assistance to spend sleeping, water 2 of the planar to be used on the inside of the diaper cover, a waterproof sheet 3, by feces and urine that was attached absorption at the time of defecation , it is characterized in that inform change color of excretion confirmation site 4 at both ends. .BACKGROUND【課題】高齢者、障害者の自覚症状のない方の排便時を知らせ、不快な状態を教える介護用フラットリトマスシートを提供する。【解決手段】高齢者、障害者のなかで、寝て過ごす介助が必要な方の、おむつカバーの内側に使用する平面形の吸水2、防水シート3で、排便時に付着吸収した便や尿により、両端の排泄確認部位4の色が変わり知らせることを特徴とする。【選択図】図1