A kind of elasticity beating device, the first count piece comprising a holding rod, a fixing piece and a setting what fixing piece. The holding rod includes the interconnecting piece of a grip part and an opposite what grip part. The what interconnecting piece is arranged in the fixing piece, and including the first fixed part in the protrusion what interconnecting piece and the position what first count piece, the outer peripheral surface of first fixed part has plural overhead kick face. The first count piece is made of elastic material and in solid spherical. The strength that user brandishes the holding rod is added by the own wt of the first count piece, user is without using excessive strength, massage power effectively can be transmitted to position of aching, and the solid construction of the first count piece is unlikely to deform when touching skin, so that massage power can enter deep skin, and has effects that deep massage.一種彈性拍打裝置，包含一握桿、一固定件及一設置於該固定件的第一拍打件。該握桿包括一握持部及一相反於該握持部的連接部。該固定件設置於該連接部，並包括一凸出於該連接部且位於該第一拍打件中的第一固定部，該第一固定部之外周面具有複數倒勾面部。該第一拍打件由彈性材質製成且呈實心球狀。藉由該第一拍打件的自身重量再加上使用者揮動該握桿的力量，使用者無需使用過多力氣，便可有效地將按摩力道傳遞到痠痛部位，且該第一拍打件的實心結構接觸到皮膚時不易變形，使得按摩力道能進入皮膚深層，而具有深層按摩的功效。
