▎ 摘　　要

NOVELTY - A graphene based nanoparticles composite hydrogel contains graphene based nanoparticles, a water-soluble polymer obtained by polymerizing a water-soluble unsaturated monomer and crosslinking, and water. USE - Graphene based nanoparticles composite hydrogel is used in biological and pharmaceutical field. ADVANTAGE - The graphene based nanoparticles composite hydrogel has excellent tensile strength and elongation property. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of graphene based nanoparticles composite hydrogel, which involves producing graphene based nanoparticles peroxide by processing graphene based nanoparticles homogeneous phase with high energy radiation in oxygen atmosphere, mixing water-soluble monomer solution, polymerizing and reacting in inert gas atmosphere.