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The application discloses an anti-impact and anti-scratching automobile hub cover and a preparation method thereof, and relates to the technical field of high polymer materials.The automobile hub cover comprises at least: 100 parts of nylon 6 resin; 5-15 parts of bismaleimide resin prepolymer; 10-15 parts of hydrogenated styrene-butadiene block copolymer grafted maleic anhydride; 10-20 parts of modified basalt fiber; 5-15 parts of modified polyarylate fiber; 0.2-0.5 parts of antioxidant; 0.3-0.8 parts of light stabilizer; 2-4 parts of color master batch; 0.3-0.8 parts of lubricant; the bismaleimide resin prepolymer is prepared by mixing 4,4'-diphenylmethane bismaleimide and 2,2'-diallyl bisphenol A; the modified basalt fiber is co-precipitated and modified by polydopamine, polyethyleneimine and octaamino cage-shaped polyhedral oligomeric silsesquioxane functionalized graphene oxide; and the modified polyarylate fiber is co-precipitated and modified by polydopamine and polyethyleneimine.The automobile hub cover prepared by the application has low moisture absorption, high impact resistance and excellent scratch resistance.