This design is an auxiliary structure of physiological signal detection device.It is combined with physiological signal detection device and complex electrode element.The physiological signal was measured by extension.The auxiliary structure is a body.A plurality of first transmission joints are arranged on the outer surface of the body.The first transmission connectors are combined with the physiological signal detection device.The inner surface of the body is provided with a plurality of second transmission joints.The second transmission joint is combined with the electrode elements.And the second transmission joints are electrically connected with the first transmission joints by a conductive element arranged inside the body.To enable the electrode elements to transmit the detected physiological signal to the physiological signal detection device,So that the measurement can be carried out for different measuring parts without purchasing different detection devices.The electrode element can be replaced according to the skin type of the measurer.Or clean or discard the removed electrode elements.本創作為一種生理訊號偵測裝置之輔助結構，係與生理訊號偵測裝置及複數電極元件結合，以延伸量測生理訊號之部位，該輔助結構係為一本體，於該本體之外表面設有複數第一傳輸結合件，並藉由該些第一傳輸結合件與該生理訊號偵測裝置相結合，於該本體之內表面設有複數第二傳輸結合件，該些第二傳輸結合件並與該些電極元件相結合，而該些第二傳輸結合件分別藉由一設置於該本體內部之導電元件與該些第一傳輸結合件電性連接，以令該些電極元件將所偵測到的生理訊號傳輸至該生理訊號偵測裝置，使測量者無需購買不同形式的偵測裝置就能針對不同的量測部位進行量測，且能依照測量者之膚質更換電極元件，或是將拆卸下的電極元件進行清洗或拋棄。
