▎ 摘　　要

NOVELTY - Thermal reduction method for preparation of graphene comprises performing Hummers method to obtain treatment solution containing alkali metal ion or alkaline earth metal ion, and drying in vacuum to obtain graphene oxide containing alkali metal ion or alkaline earth metal ion; performing reduction reaction on graphene oxide by thermal ignition; and filtering, washing, and drying. USE - Thermal reduction method for preparation of graphene (claimed). ADVANTAGE - The method has simple technique, low cost, and short production period; and is suitable for large-scale production.