A composition structure of a two-purpose armrest massager for a wheelchair comprises at least two armrests for the wheelchair, which are respectively arranged on a chair frame rod on two sides of the wheelchair by using a quick detachable unit.An open holding part is arranged at the inner edge of each handrail to provide a massage unit, battery and electronic control unit, and then a cover is used to cover it, so that the user can activate the massage unit through the electronic control unit, thereby providing the function of the wheelchair user to massage the arm.The first connecting part and the second connecting part, which can be embedded and combined with each other, are formed on the outer side of the two armrests, and a hanging plate is respectively locked at a proper place at the bottom of one end. When the two armrests are connected as a whole, the two hanging plates can be hooked on the chair back of the wheelchair, so that the massage unit can massage the user's back to achieve the purpose of two uses.一種輪椅之二用式扶手按摩器之組成結構,其構成至少包含二輪椅用之扶手,該二扶手係分別利用一快拆單元組設於該輪椅二側之椅架桿上。主要係於各該扶手內緣設一開放之容置部,用以設置一按摩單元、蓄電池及電控單元,再利用一罩體覆蓋於上,可供使用者透過該電控單元啟動該按摩單元,藉此能提供輪椅的使用者按摩手臂的功能。又該二扶手相對之外側面形成有可相互嵌設結合之一第一接部及第二接部,且一端底部適當處分別鎖固一掛板,當該二扶手連結為一體時,可利用該二掛板勾掛於輪椅之椅背處,令該按摩單元能按摩使用者背部,達到二用之目的。