▎ 摘　　要

NOVELTY - Graphene-based composite microwave absorbing material comprises square microwave absorbing body unit, which comprises a three-layer microwave absorbing substrate unit comprising first substrate, second substrate and third substrate. The upper surface of each substrate is attached with metal microstructure, which is a hollow circular ring. The upper surface of first substrate, second substrate and third substrate are coated with multielement composite microwave absorbing material. USE - Graphene-based composite microwave absorbing material.