▎ 摘　　要

NOVELTY - A tobacco smoke filtering device has smoke gas filtering passage, filtering channel provided with a graphene material segment, graphene airgel film segment or graphene material, where the graphene material is graphene and/or functionalized graphene, the functionalized graphene is amino functionalization graphene, carboxylated graphene, graphene acid, mercapto graphene, cyano graphene, nitro graphene, boronic acid group graphene, a phosphoric acid group graphene, hydroxyl group graphene, mercapto graphene, methylation graphene, allylation graphene, and trifluoromethyl methylation grapheme. USE - Tobacco smoke filtering device for adsorption of polycyclic aromatic hydrocarbons by graphene material (claimed). ADVANTAGE - The device exhibits high adsorption capacity and adsorption reliable to reduce smoke toxic substances into the body, reduces the harm of smoking on the human body. DETAILED DESCRIPTION - A tobacco smoke filtering device has smoke gas filtering passage, filtering channel provided with a graphene material segment, graphene airgel film segment or graphene material, where the graphene material is graphene and/or functionalized graphene, the functionalized graphene is amino functionalization graphene, carboxylated graphene, graphene acid, mercapto graphene, cyano graphene, nitro graphene, boronic acid group graphene, a phosphoric acid group graphene, hydroxyl group graphene, mercapto graphene, methylation graphene, allylation graphene, trifluoromethyl methylation graphene, dodecyl graphene, octadecyl graphene, fluoride alkenyl graphite, fluorinated graphite, graphite bromide, graphite chloride, alkene graphite and iodine graphene. INDEPENDENT CLAIMS are also included for the following: (1) a tobacco product (2) use of graphene material for adsorption of polycyclic aromatic hydrocarbons.