▎ 摘　　要

NOVELTY - A nano-composite material comprises laminar silicate, water-soluble polymer chitosan-based material and graphene oxide. The mass ratio of laminar silicate and graphene oxide is 5:1-20:1. The mass ratio of water-soluble polymer chitosan-based material and graphene oxide of 5:1-20:1. USE - Nano-composite material is used in drug, biomedical and adsorption field. ADVANTAGE - The nontoxic nano-composite material having excellent dispersion stability with respect to water is environmentally-friendly manufactured by simple process. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of nano-composite material.