▎ 摘　　要

NOVELTY - A modified graphene/fiber reinforced composite material and its preparation method are claimed. The composite material comprises 2-3% graphene, 70-80% fibers and 20-30% resin, and is prepared by heating and curing the above-mentioned raw materials in device and mold according to the application of product. USE - The modified graphene/fiber reinforced composite material is useful in the fields of large-scale machinery, chemical device, hydraulic engineering, road traffic, construction engineering, ocean engineering and power engineering. ADVANTAGE - The modified graphene/fiber reinforced composite material has excellent strength and toughness, and is lightweight.