The present invention provides a biological electrode including an electro-conductive base material and a living body contact layer formed on the electro-conductive base material; wherein the living body contact layer includes a resin layer and particles dispersed in the resin layer, the particles being coated with gold, silver, or platinum, and a thickness of the resin layer is equal to or thinner than an average particle size of the particles. The biological electrode of the present invention is superior in electric conductivity and biocompatibility, light in weight, and can be manufactured at low cost.本發明提供導電性及生物體適合性優異、輕量、且能以低成本製造的生物體電極。一種生物體電極,具有導電性基材與形成於該導電性基材上的生物體接觸層,其特徵為:該生物體接觸層包含表面以金、銀、或鉑覆蓋的粒子與分散有該粒子的樹脂層,該樹脂層之厚度係和該粒子之平均粒徑相同或較其更薄。