▎ 摘　　要

NOVELTY - A graphene material using bamboo wood leftovers is prepared by crushing dried bamboo wood leftovers, sieving, pumping nitrogen gas, heating at 600-800 degrees C for 1-2 hours, raising temperature to 900-1200 degrees C for 0.5-2 hours, cooling to 25-35 degrees C, adding reactant comprising zinc nitrate, aluminum nitrate or potassium hydroxide according to weight ratio of 1:1-5, pumping nitrogen gas, heating at 800-900 degrees C for 1-2 hours, raising temperature to 900-1200 degrees C for 0.5-2 hours, and cooling to room temperature. USE - Method for preparing graphene material using bamboo wood leftovers. ADVANTAGE - The method is simple, low-cost, environment-friendly and suitable for industrialization.