▎ 摘　　要

NOVELTY - Preparing graphene thermal conductive heat dissipation material comprises (1) taking graphene suspension, using natural graphite raw materials to make graphene powder, placing graphene in N-methyl-2-pyrrolidone in proportion, (2) taking graphene dispersion liquid, adding ultrasonic graphene suspension to prepare graphene dispersion, (3) where graphene sheet is made by air flow impacting graphene dispersion, (4) drying, collecting graphene sheets for drying, (5) rolling the graphene sheet after drying with high pressure to make graphene film. USE - The method is useful for preparing graphene thermal conductive heat dissipation material. ADVANTAGE - The method produces the high heat conducting coefficient, improves the performance of the product and satisfy the market demand.