This creation is a kind of ridge type massage mechanism, includes a pedestal, a pendular body, two actuators and two massage units, is journaled into pendular body angle adjustable an axle portion of pedestal. One actuator is respectively installed in pedestal and pendular body to drive an exposed massage unit, and aforementioned two massage unit corresponds to each other. Another what axle portion and pendular body are equipped with an angle positioning device and adjust the angle for user, thereby allow pedestal and pendular body that can arbitrarily adjust the massage that included angle Hou carries out partes corporis humani position with two massage units.本創作是一種屋脊式按摩機構,包含一基座、一擺動體、二驅動件及二按摩單元,擺動體可調角度地樞裝在基座的一軸部。在基座及擺動體內各安裝一驅動件以帶動一外露的按摩單元,而前述二按摩單元彼此相對應。另於軸部與擺動體設有一角度定位裝置供使用者調整角度,藉此讓基座與擺動體可以任意調整夾角角度後以二按摩單元進行人體各部位的按摩。