The utility model relates to a replaceable multi-functional prosthetic device, which is suitable for mounting on a human hand limb and comprises a connecting unit, a functional unit and a camouflage unit.The connecting unit includes a set of connecting sleeves connected to the hand limb, the functional unit is connected with the connecting unit, and includes a shell which defines a holding space and an opening, a fixed seat which is rotatably arranged in the holding space, and a plurality of auxiliary elements which are arranged on the fixed seat. The camouflage unit includes an opening which is separably sleeved on the shell And the hand has the shape of a human palm.一種可換式多功能義肢裝置，適用於裝設於一人手肢體上，並包含一連接單元、一功能單元，及一偽裝單元。該連接單元包括一套接於該人手肢體上之連接套筒，該功能單元與該連接單元連接，並包括一圍繞界定出一容置空間與一開口的殼體、一可轉動地設置於該容置空間中的固定座，及複數設置於該固定座上之輔助元件，該偽裝單元包括一可分離地套設於該殼體之開口上的義手，且該義手具有仿人體手掌之外型。
