A hand massage mechanism that can be hidden on a massage chair. The hand massage mechanism of the massage chair has a concealable design. When not in use, it can be hidden to maintain the same plane with both ends of the armrest. It is driven by the extension module when in use. Extend the hand massage head to massage the user's arms and elbows. In this way, the massage module will not occupy the space of the massage chair before use to allow the user to ride comfortably, and it also has the effect of massage during use. Reach practical value.一種可隱藏於按摩椅上的手部按摩機構，對於按摩椅之手部按摩機構以可隱藏式的設計，未使用時能隱藏與扶手兩端保持同一平面，使用時透過伸出模組帶動下將手部按摩頭伸出對使用者的手臂、手肘進行按摩，如此一來，在使用前按摩模組不會占用按摩椅的空間讓使用者乘坐舒適，而使用時同樣具有按摩的效果而達到實用的價值。
