PROBLEM TO BE SOLVED: To provide a nursing aid and a nursing aid set by which a care-giver can perform care work for a care-receiver easily with only small burden imposed on the care-receiver.SOLUTION: A nursing aid includes: a trunk part support part arranged below a trunk part a pair of projections projected substantially in parallel and with a space from the trunk part support part to a leg side and a pair of thigh support parts connected to the ends on the leg side of the projections respectively and laid below the thigh. The trunk part support part includes a first bag body that is expandable so as to lift the trunk part by being filled with gas, and the pair of thigh support parts includes a second bag body that is expandable so as to lift the thigh by being filled with gas respectively. The pair of projections includes a third bag body that communicates the first bag body with the second bag body respectively. When the first bag body, the second bag body, and the third bag body are in an expanded state, the top face of the projections is lower than the top face of the thigh support parts.COPYRIGHT: (C)2015,JPO&INPIT【課題】本発明は、介護者が被介護者の介護作業を容易に行うことでき、且つ被介護者の負担が少ない介護補助具及び介護補助具セットを提供することを課題とする。【解決手段】本発明の介護補助具は、体幹部の下に配設される体幹部支持部と、この体幹部支持部から脚部側に向けて略平行且つ隙間を持って突設される一対の突設部、及び上記突設部の脚部側の端部にそれぞれ連接され、大腿部の下に敷設される一対の大腿部支持部とを備え、上記体幹部支持部が、気体の充填により上記体幹部を持ち上げるよう膨張可能な第一袋体を有し、上記一対の大腿部支持部が、気体の充填により上記大腿部を持ち上げるよう膨張可能な第二袋体をそれぞれ有し、上記一対の突設部が、第一袋体と第二袋体とを連通する第三袋体をそれぞれ有し、第一袋体、第二袋体及び第三袋体の膨張状態において、上記突設部の上面が大腿部支持部の上面に比べて低いことを特徴とする。【選択図】図1