▎ 摘　　要

NOVELTY - Preparing three-dimensional graphene macroscopic bodies comprises (i) dispersing the salt in the graphene oxide aqueous solution to obtain a mixed solution, where the salt comprising sodium carbonate, sodium chloride, ammonium chloride, ammonium carbonate, potassium chloride, potassium bicarbonate, calcium chloride, calcium bicarbonate, magnesium sulfate, zinc chloride, and/or potassium sulfate and salt in the mixed solution is in a supersaturated state, and (ii) reacting the obtained mixed solution at 100-400 degrees C for 0.5-8 hours, washing and drying. USE - The method is useful for preparing three-dimensional graphene macroscopic bodies. ADVANTAGE - The body: has high-strength. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for a three-dimensional graphene macroscopic body prepared by above mentioned method.