▎ 摘　　要

NOVELTY - A graphene/polyaniline composite electrode preparing method involves utilizing traditional graphite paper electrode as a carrier electrode and a protonic acid/aniline electrolyte as a working medium, utilizing a working electrode-counter electrode-type double-electrode system, in the DC voltage processing preparation, cleaning with deionized water and naturally drying. USE - Method for preparing graphene/polyaniline composite electrode. ADVANTAGE - The electrode has fast processing and high bio-electrochemical compatibility, and is suitable for the conventional electrode biological electrochemical system.