A kind of massager,Comprising a main frame body,One can be displaced on main frame body along user's arm or leg length direction displacement frame,And one be located at massage unit on displacement frame,Massage unit have a vertical mentioned length direction shaft,And it is at least a pair of along the spaced massage assembly of shaft,Each pair of massage assembly can by shaft drive and make its Massage Department generate it is close to each other,Separate movement,Moreover,Each pair of massage assembly at least one of them can slide axially along shaft,And acted on by a flexible bias pressure and there is the tendency close toward opposite massage assembly,Thereby,Aforementioned massage assembly can carry out kneading massage to the different parts of aforementioned arm or leg in the longitudinal direction,And spacing can be changed with the fineness that user receives massage part automatically.一種按摩機，包含一主架體、一可在主架體上沿使用者手臂或腿部長度方向位移的位移架、以及一設在位移架上的按摩單元，按摩單元具有一垂直前述長度方向的轉軸、以及至少一對沿著轉軸間隔設置的按摩組件，每對按摩組件可被轉軸帶動而使其按摩部產生相互靠近、遠離的動作，而且，每對按摩組件其中至少一者可沿轉軸軸向滑動，並受到一彈性偏壓力作用而具有往相對的按摩組件靠近的傾向，藉此，前述按摩組件可對前述手臂或腿部在長度方向上的不同部位進行揉捏按摩，而且會自動隨著使用者接受按摩部位的粗細程度變化間距。
