A finger rehabilitation device and method is disclosed. About the device, it has a main body, five finger mechanisms, 15 driving units, and a controlling system. Concerning the method, it includes the steps of preparing a finger rehabilitation step, a setting step, an executing step, and a finishing step. First, place a user's fingers secured on the finger mechanisms. Depending upon the user's need, the bending degree and variation period for the user's fingers can be controlled by these driving units. So, this invention can provide suitable the finger rehabilitation actions and exercises. Therefore, the bending degree can be set. Specific finger can be exercised individually. In addition, the variation period of the fingers can be adjusted.一種手指活動裝置及其使用方法，其裝置係包括一本體、五個手指機構單元、十五個驅動裝置及一控制系統。其方法係包括準備步驟：準備一手指復健裝置、設定步驟、執行步驟及完成步驟；將使用者之手指與該手指機構單元相連結，並依使用者之需求，於該控制系統上設定該手指機構單元之彎曲變化及變化週期，各驅動裝置依該控制系統之設定，分別驅動各該手指機構單元達到預定之彎曲變化及變化週期，進而帶動該使用者之手指進行活動；故，其兼具可設定關節彎曲程度、可個別控制手指之作動及可設定手指作動之變化週期等優點及功效。
