PROBLEM TO BE SOLVED: To provide an entrainment support device capable of supporting a leg part of a care receiver.SOLUTION: An entrainment support device includes a movable body part 1, a seat surface part 2 on which a care receiver can seat, and a connection mechanism 3 connecting the seat surface part 2 to the body part 1 detachably. The body part 1 includes a bust holding part 30 which can hold a bust of the care receiver seated on the seat surface part 2, a knee holding part 100 which can hold a knee of the care receiver seated on the seat surface part 2, and a tilting mechanism 20 which can tilt integrally the bust holding part 30, knee holding part 100, and the seat surface part 2 connected to the body part 1.【課題】被介護者の脚部を支持することが可能な移乗支援装置を提供する。【解決手段】移動可能な本体部1と、被介護者が着座可能な座面部2と、座面部2を本体部1に着脱可能に連結する連結機構3と、を具備し、本体部1は、座面部2に着座した被介護者の上半身を保持可能な上半身保持部30と、座面部2に着座した被介護者の膝を保持可能な膝保持部100と、上半身保持部30及び膝保持部100、並びに当該本体部1に連結された座面部2を一体的に傾斜させることが可能な傾動機構20と、を具備した。【選択図】図1