An object of the present invention is to provide a posture-retaining assisting device that supports a head during a rest or a nap to reduce fatigue and prevent rodentness during a nap. A U-shaped frame is provided with a part for supporting the back of the head, a part for contacting the chest, and a part for holding the part by hand in order to hold the head during rest or nap and reduce fatigue of the neck. And hold your head in a natural posture. [Selection diagram] Fig. 1【課題】本考案は休息、あるいは仮眠時の頭部を支えて疲労の軽減、及び仮眠時のムチウチ症を防止できる姿勢保持補助器具を提供する。【解決手段】休息あるいは仮眠時に頭部を保持し首の疲労を軽減するためにＵ字型形状のフレームに後頭部を支持する部分１、胸部に当てる部分２、及び手で保持する部分３を設けて自然な姿勢で頭部を保持する。【選択図】図１
