The present invention intended to ease the neck to support the jaw, in particular to maintain a state in which stood the state of the head, with an open airway, to provide a jaw supporter that breathing can usually than comfortably. Storage A jaw abutting portion 1 made of cushioning material 2 to put the jaw is fixed to the distal end of the support shaft 3 for supporting the abutting portion 1, the support shaft 3 is slidably housed mounted on the sliding groove 12 parts 5, the slide groove 12 of the housing portion 5 has a spring interposed on the lower end and the groove bottom end of the support shaft 3, the jaw can abut against the always jaw abutting portion 1 in, it is supported by the belt without hanging the neck at all times during sleepFIELD 1【課題】顎を支えて首を楽にするもので、特に頭の状態を立った状態を維持し、気道を開いた状態にして、呼吸が通常より楽にできる顎サポータを提供する。【解決手段】顎を載せる緩衝材2からなる顎当接部1が該当接部1を支持する支持軸3の先端に固着され、該支持軸3は摺動可能に収納する収納部5の摺動溝12に装着され、該収納部5の摺動溝12には、支持軸3の下端と溝下端に介在するバネを持ち、顎が常時顎当接部1に当接可能で、睡眠時に首を常時垂れずにベルトで支持する。【選択図】図1