The invention discloses a plastic for a flame-retardant, wear-resistant and aging-resistant mobile telephone shell. The plastic comprises the following raw materials in parts by weight: 10-18 parts of polycarbonate, 5-18 parts of polypropylene, 20-40 parts of an ethylene-octene copolymer, 15-25 parts of polyvinyl chloride, 8-16 parts of a maleic anhydride grafted ethylene-ninyl acetate copolymer, 2-8 parts of silicon carbide, 1-2.5 parts of a silane coupling agent SI-69, 1-4 parts of aluminum oxide, 2-10 parts of iron-based montmorillonite, 1-3 parts of boron nitride, 8-12 parts of nanosilicon dioxide, 5-16 parts of modified opal powder, 8-14 parts of calcined kaolin, 1-3 parts of phenylene maleic imide, 1-3 parts of natural rubber grafted polymethyl methacrylate, 1-3 parts of caprolactam, 1-2 parts of benzoyl peroxide, 0.2-0.6 part of triethylenetetramine, 0.2-0.6 part of cyclohexanone peroxide, 1-2 parts of t-butyl perbenzoate, 1-3 parts of octadecyl alcohol, 1-3 parts of p-phenylenediamine and 1-3 parts of trioctyl. The plastic disclosed by the invention is wear-resistant, aging-resistant, and excellent in flame retardance.