▎ 摘　　要

NOVELTY - Graphene oxide-metal fullerene composite comprises graphene oxide and metal fullerene bonded with pi - pi interaction. USE - Graphene oxide-metal fullerene composite used as magnetic resonance imaging contrast agent (claimed). ADVANTAGE - The graphene oxide-metal fullerene composite ensures simple preparation method, no requirement of complicated surface modification, good solubility and stability, biological compatibility. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a method for preparing graphene oxide-metal fullerene composite, which involves mixing organic solvent solution using water solution with metal fullerene and graphite oxide to obtain product.