▎ 摘　　要

NOVELTY - Preparation of graphene silicon composite material by solvothermal method comprises dispersing graphene oxide into deionized water or ethanol as solvent, adding silicon powder, dispersing, performing solvent thermal reaction, drying reaction product, grinding, and sieving; dispersing asphalt into tetrahydrofuran, adding product in first step, dispersing, adding graphite, dispersing, stirring, and drying tetrahydrofuran; calcining; and drying product, grinding, sieving, depositing to obtain product, dispersing, adding graphite, dispersing, stirring, and drying tetrahydrofuran. USE - Method for preparing graphene silicon composite material by solvothermal method (claimed). ADVANTAGE - The method has simple operation, easy realization, good product repetitiveness, and easy industrialization.