▎ 摘　　要

NOVELTY - Preparing flame retardant filler for wallpaper comprises mixing modified diatomite, graphene oxide, diantimony trioxide, chitosan, flavone powder, basalt fiber, asbestos fiber and ceramic fiber, and carrying out heat treatment. where the modified diatomaceous earth is obtained by modifying diatomaceous earth by carbon black, bamboo fiber, titanate, aluminate and silane coupling agent. USE - The method is useful for preparing flame retardant filler for wallpaper. ADVANTAGE - The method: is healthy and environmentally friendly. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for the flame retardant filler for wallpaper is prepared by the above mentioned method.