▎ 摘　　要

NOVELTY - Method for preparing graphene thin-film material with controllable conductivity, involves performing pretreatment, oxidation, reduction, modification and membrane measurement processes. USE - The method is useful for preparing graphene thin-film material which is useful in electrical devices, electrodes and other fields. ADVANTAGE - The method prepares graphene thin-film material with controllable conductivity by using specific quantity of aromatic diazonium salt.