▎ 摘　　要

NOVELTY - The method involves reducing oxidation graphene preparation. A graphene oxide mass ratio is calculated according to a reaction system. Pure water washing process is performed. A silk fibroin mass ratio is calculated. Ultrasonic wave oscillating process is performed. A graphene oxide is dispersed in fibroin solution. Casting preparation process is performed to obtain graphene oxide preparation. USE - Graphene oxide and oxidized part reducing silk fibroin composite film preparation method. ADVANTAGE - The method enables improving ductility, tensile strength and other mechanical properties. DESCRIPTION OF DRAWING(S) - The drawing shows a photograph of a silk fibroin composite film.