A kind of multifunctional motor-driven massage bar of what is closed in this creation system,It is that enclosure interior is equipped with gear sliding rail except the tool hollow form of what one,One inner wall of gear sliding rail forms the transversely arranged teeth of plural number,To be engaged the gear of the 1st gear motor axle center end,And the system, prelocalization portion of gear sliding rail front end can be integrated in detachable separation or group solid fraction state and the Hou positioning region interconnection group at a massaging body Hou end,There is provided user's replacement has the dissimilarity stimulatory function of vibration or rotation or the massaging body of moulding,And switched by startup power supply and cooperate control device to start axle center turn or the reverse turn of gear motor,The meshed gears sliding rail corresponding to the gear for making the 1st gear motor axle center end is mobile,And drive automatic preceding Hou reciprocal telescopic in massaging body what preset space length stroke mobile,When in massaging body insertion vagina,Hou is back and forth rubbed the sexual stimulus effect of massage before true automatic just like male's sun tool,So that women generates the sexual stimulus pleasant sensation of different sense organs.本創作係關於一種多功能電動按摩棒,係於一具中空狀之外殼體內部容置有齒輪滑軌,齒輪滑軌一內壁面形成複數橫向排列的齒牙,以對應嚙合第1減速馬達軸心末端之齒輪,且齒輪滑軌前端的前定位部係呈可拆卸分離或組固狀態與一按摩體後端之後定位部相互連接組設為一體,提供使用者更換具有震動或旋轉之不同性刺激功能或造型之按摩體,並藉由啟動電源開關及配合控制裝置以啟動減速馬達之軸心正轉動或反轉動,相對使第1減速馬達軸心末端之齒輪所對應嚙合的齒輪滑軌移動,並帶動按摩體於預定間距行程內自動前後往復伸縮移動,當按摩體插入女性陰道內時,有如男性陽具真實自動前後往復磨擦按摩之性刺激效果,俾使女性產生不同感官的性刺激快感。