▎ 摘　　要

NOVELTY - A polychlorinated biphenyl rapid screening method involves utilizing functionalized graphene polypyrrole modified electrode and pyrrolo conductive polymer with constant potential for polymerization on beta -cyclodextrin functionalized graphene modified glassy carbon electrode by different probe molecules such as ferrocene and polychlorinated biphenyl cyclodextrin having host-guest recognition capabilities to achieve rapid screening of polychlorinated biphenyl in the water system. USE - Method for rapid screening polychlorinated biphenyl in water system. ADVANTAGE - The method enables rapid screening polychlorinated biphenyl with good stability, high selectivity and high sensitivity, non-toxic, without the interference of coexisting substances, in simple and cost effective manner.