▎ 摘　　要

NOVELTY - The preparation method of diatomite graphene, involves adding natural diatomite in active agent, heating soaked natural diatomite to melt surface of organic matter, stopping heating, when molten organic matter covers the surface of earth, placing in concentrated sulfuric acid in ice bath, adding diatomaceous earth to hydrazine hydrate to carry out line reaction, obtaining graphene, when alkali solution added to diatomaceous earth disappears, reducing the dispersion of the molten organic matter and diatomite surface tension contact surfactant by the dispersion of the active agent. USE - Preparation of diatomite graphene (claimed). ADVANTAGE - The method effectively uses the natural diatomite resource, and prepares the graphene in usual and uniform shape.