PROBLEM TO BE SOLVED: To provide a biomedical electrode which transmits a biomedical signal and can be easily put on and taken off from clothes. SOLUTION: The bio-electrode 10 is attachable to and detachable from clothes 30, and an electrode 13 is formed of a conductive fiber structure in which a conductive polymer is impregnated in a fiber structure composed of a plurality of single fibers. An engaging portion 11 which is electrically conductive and electrically connected to an electrode, which is detachably engaged with an engaging portion 31 which is electrically conductive and is provided on a garment. An engaged portion that is electrically connected to the engaging portion when engaged with. [Selection diagram] Figure 1【課題】生体信号を伝達するとともに衣服に容易に着脱できる生体電極を提供する。【解決手段】衣服30に対して着脱可能な生体電極10であって、複数の単繊維から構成される繊維構造物に導電性高分子が含浸した導電性繊維構造物で形成された電極13と、導電性を有して電極と電気的に接続される被係合部11であって、導電性を有して衣服に設けられた係合部31に着脱可能に係合し、係合部に係合したときに係合部と電気的に接続される被係合部と、を備える。【選択図】図1