The invention discloses a high-strength abrasion-resistant composite packaging material and a preparing method thereof. The high-strength abrasion-resistant composite packaging material is prepared from, by weight, 50-80 parts of chlorinated butyl rubber, 30-50 parts of polyvinyl chloride resin, 10-22 parts of nanocarbon fiber, 2-8 parts of aziridine crosslinking agent, 7-16 parts of trimethylolpropane, 4-9 parts of nano-graphite, 1-5 parts of zinc oxide, 6-11 parts of silicon dioxide, 10-18 parts of polyvinyl alcohol, 10-20 parts of metallocene polyethylene, 6-13 parts of polyisobutene, 3-9 parts of attapulgite, 7-15 parts of acrylic acid, 4-11 parts of quartz sand, 7-14 parts of graphene, 3-9 parts of sodium melamine phosphate, 3-7 parts of abrasion-proof agent, 5-12 parts of phenylsilane, 15-30 parts of tetramethoxy silicane and 10-23 parts of ethylene-zinc alkene copolymer. Compared with the prior art, the packaging material has the advantages of being high in strength and abrasion resistance, long in service life and capable of meeting requirements of industrial production better.