▎ 摘　　要

NOVELTY - A skin electrode comprises a multilayer graphene film, a conductive polymer layer and an elastic substrate which can be adhered in order. USE - The skin electrode used for detecting biological potential change. ADVANTAGE - The skin electrode has non-polarized property, light weight, flexibility, excellent chemical and mechanical stability, and can be prepared in a simple and cost-effective manner. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a method for preparing skin electrode, which involves: (A) forming a conductive polymer solution; (B) coating conductive polymer solution on the single-layergraphene grown on the surface of the copper foil; (C) annealing to obtain the conductive polymerlayer/graphene/copper foil composite structure; (D) removing the copper foil to obtain the conductivepolymer layer/graphene composite structure; (E) taking the conductive polymer layer/graphenecomposite structure in water; (F) taking copper foil withsingle-layer graphene for fishing and drying; (G) annealing to obtain the conductive polymerlayer/graphene/copper foil composite structure; (H) removing the copper foil to form conductive polymerlayer/multilayer graphene composite structure; (I) forming an adhesive elastic substrate; and (J) transferring the conductive polymerlayer/multilayer graphene film composite structure tothe adhesive elastic substrate.