A scalable electrode patch includes a scalable electrode patch main body and a plurality of electrode portions. The electrode portions are formed on the scalable electrode patch main body. The scalable electrode patch main body is extendable to adjust a size of the scalable electrode patch main body according to a user's body proportion such that the electrode portions are accurately attached to the user's positions to be tested.一種可伸縮電極貼片，包含有一可伸縮電極貼片本體以及複數個電極部。電極部形成於可伸縮電極貼片本體之上，其中可伸縮電極貼片本體具有伸縮性，以根據使用者的身材比例，調整可伸縮電極貼片本體的大小，以使電極部準確地貼附於使用者身上的待測位置。
