The present invention trunk balance bad care recipient is able to hold a sitting posture for sitting on mattress such as the bed and the sum floor for such meals, good usability without the need to be fixed to the bed or the like, the seat It can also be used as a chair seat of a table and kotatsu, and provides a nursing chair seat with excellent handling. And A bed and mattress, etc. the seat surface, this comes into contact with the bearing surface U-shaped body 1, the back rest 6, hip rest 7 is part of the ass ride, body 1 is folded when not in use In line with the support leg 2 which opens outwardly in use, since it is provided on the back and both sides of the main body 1, the objective can be achieved by simply put up care for chair seat from the rear of the care recipient. In particular, subject to some hip rest 7 of the weight of the main caregiver, absorbs the force to move the nursing seat chair that is generated by lean on the back rest 6 backward, as if the ships anchor (anchor) as care for the seat chair was fixed to ensure a sitting position retention of the main caregivers. .BACKGROUND【課題】体幹バランスの悪い要介護者が食事等のためにベッドや和床の敷布団等に座った着座姿勢を保持することができ、ベッド等に固定する必要がなくて使い勝手が良く、座卓やこたつの座椅子としても使用することができ、取り扱いに優れた介護用座椅子を提供する。【解決手段】ベッドや敷布団等を座面とし、この座面に当接するコの字状の本体1、背受け6、お尻の一部が乗る尻当て7、不使用時には折り畳まれて本体1に沿い、使用時に外方向に開く支持脚2を、本体1の両側面と背面に設けたことから、介護用座椅子を要介護者の後方からあてがうだけで目的が達成できる。特に、尻当て7が要介護者の体重の一部を受け、背受け6にもたれ掛かることで発生する介護用座椅子を後方へ移動させる力を吸収し、あたかも船のアンカー(錨)の如く介護用座椅子を固定し要介護者の座位保持を確実にする。【選択図】図1