To provide a chair-type massage machine in which an arm treatment part can follow an appropriate position according to the body shape and posture of a person to be treated.SOLUTION: A chair-type massage machine includes: a base member； a slide member slidably movable in a first direction relative to the base member and in an opposite direction thereto； and an arm treatment part rotatably fitted to a side end in the first direction of the slide member.SELECTED DRAWING: Figure 4【課題】腕施療部が被施療者の体型や姿勢に応じて適切な位置に追随できる椅子型マッサージ機を提供する。【解決手段】椅子型マッサージ機は、ベース部材と、前記ベース部材に対して第１方向及びその逆方向にスライド移動可能なスライド部材と、前記スライド部材の前記第１方向側端部に回転可能に取り付けられる腕施療部と、を備える。【選択図】図４
