The present invention discloses a dry electrode for measuring bio-medical signals, comprising a conductive fabric, conductive foam and a metal thin film.The conductive foam is covered with the conductive fabric, and the metal thin film is disposed on the conductive fabric corresponding to the conductive foam.It is unnecessary to wipe conducting gel on skin to be detected while using the dry electrode of the present invention, such that the dry electrode has real-time and long-term measuring characteristics to be more convenient for using.本發明係揭露一種用於生理訊號量測感測器之乾式電極,其包含導電海綿、導電布及金屬薄片。導電布包覆導電海綿,且金屬薄片設置於導電布相對於導電海綿之ㄧ面。使用本發明之乾式電極時,可不需塗抹導電膠於待測部位上,故本發明之乾式電極具有長效並即時量測生理訊號之特性,使用上更為簡便。11‧‧‧導電海綿12‧‧‧導電布13‧‧‧金屬薄片15‧‧‧導線