▎ 摘　　要

NOVELTY - Preparation of nanocomposite material involves preparing graphene oxide, preparing an organosilane composition having core-shell structure using an organosilane having a weak alkali resistance and an organosilane having strong alkali resistance, etching with sodium hydroxide solution, obtaining organic hollow silica, processing organic hollow silica to carry positive charge, and combining with negatively charged graphene oxide. USE - Preparation of composite material. ADVANTAGE - The preparation of composite material has excellent adsorption performance.