PROBLEM TO BE SOLVED: To provide a respiration support device which can properly support the respiration of a passenger of a vehicle.SOLUTION: A respiration support device includes running state detection means 300,600 that detects the running state of a vehicle including the respiration support device, movable means 100,200 that changes the posture of a passenger so that the respiration state of the passenger changes by changing the shape of a seat on which the passenger sits, and control means 600 that controls the operation of the movable means 100,200 on the basis of the vehicle running state.COPYRIGHT: (C)2015,JPO&INPIT【課題】車両に乗車している乗員の呼吸を適切に支援することが可能な呼吸支援装置を提供する。【解決手段】自車両の走行状態を検出する走行状態検出手段300,600と、乗員が着座するシートの形状を変化させることで、乗員の呼吸状態が変化するように、乗員の姿勢を変化させる可動手段100,200と、自車両の走行状態に基づいて、可動手段100,200の動作を制御する制御手段600と、を備えることを特徴とする呼吸支援装置。【選択図】 図1