This work is about an improved structure of acid bar.In particular, it refers to an acid discharging rod structure of massage part with two or more cylinders.It is mainly composed of a handle,The acid discharging rod is composed of the connecting part and the massage part matching screws with two or more cylinders.Among them,The bottom end of the grip is deliberately rounded into a ball.And the top of the cylinder is formed into a round bead.And massage the human body through the massage department,Promote blood circulation and relieve pain and fatigue.Make this creation practical.It has excellent economic benefits.本創作係有關於一種排酸棒之改良結構,特別是指一種具有兩支或兩支以上的圓柱狀體之按摩部的排酸棒結構,其主要係由握把、連結部及具有兩支或兩支以上圓柱狀體之按摩部配合螺絲所組成的排酸棒,其中,該握把底端係刻意導圓成圓球狀體,而該圓柱狀體之頂部係形成圓珠狀,而藉由按摩部來對於人體進行按摩,促進血液循環並紓解酸痛及疲勞,使本創作具有實用性,實具極佳之經濟效益。