▎ 摘　　要

NOVELTY - Preparation of magnesium-based graphene composite material comprises adding anhydrous ethanol solution to graphene powder, ultrasonic processing for 0.5-1 hour, dispersing, adding 300-400 mesh metal magnesium powder to vacuum glove box, adding anhydrous ethanol solution, simultaneous ultrasonic processing and mechanical stirring, adding dropwise graphene ethanol solution, ultrasonic processing and mechanical stirring for 1-2 hours, dispersing, filtering, vacuum-drying, placing in aluminum sheath, filling, vacuum-degassing, squeezing, inert gas-protected hot-extruding, melting and casting. USE - Method for preparing magnesium-based graphene composite material. ADVANTAGE - The composite material is environment-friendly, has simple and easy preparation process, low production cost and high performance.