▎ 摘　　要

NOVELTY - The electrode has polypropylene non-woven fabric. The graphene oxide solution is injected into the polypropylene non-woven fabric and the polypropylene non-woven fabric is 1-2cm square; 3-5 layers of the polypropylene non-woven fabrics are orderly stacked. The polypropylene non-woven fabrics are adhered to a bonding pad of the flexible circuit board through the conductive adhesive and the electrodes are led out through a lead of the flexible circuit board. The graphene oxide solution is injected into the polypropylene non-woven fabric to ensure that the dispersion liquid just completely soaks and wets the polypropylene non-woven fabric. The polypropylene non-woven fabric is cooled to room temperature. USE - Flexible graphene electrode for electrocardiosensor. ADVANTAGE - The preparation method of the flexible graphene electrode for the electrocardio-sensor is simple and convenient and the production cost is greatly reduced.