A kind of massage machine, at least two brake plates of the main system comprising a pedestal and combination what pedestal. Wherein, wherein one end is equipped with a transmission mechanism to the pedestal system what, wherein one end of two brake plate is set to be pivotally connected the what transmission mechanism, pedestal another end system is equipped with two locating shafts, the two brake plates system is equipped with the hemisphere of plural number, and the sliding slot of corresponding what pedestal locating shaft, so that locating shaft is worn what sliding slot, to constitute massage machine. In order to for installing what bed body, office chair the chair back or other sports equipments etc. there is the backboard for human body backrest function, by the drive of transmission mechanism, and the containing limit of locating shaft and sliding slot, the circle for making two brake plate bodies constitute upper and lower, left and right constitutes the massage effect to human body around movement, and then by hemisphere.一種按摩裝置，主要係包含一座體及結合於該座體之至少兩制動板。其中，該座體係於其中一端設有一傳動機構，使該兩制動板的其中一端樞接於該傳動機構，座體另端係設有兩定位軸，該兩制動板係設有複數之半球體，以及對應於座體定位軸之滑槽，使定位軸穿設於滑槽，以構成按摩裝置。俾供裝設於床體、辦公椅之椅背或其他運動器材等具有可供人體靠背功能之背板，藉由傳動機構的帶動，以及定位軸與滑槽的牽制限位，使兩制動板體構成上、下、左、右之圈繞運動，進而藉由半球體構成對人體之按摩效果。
