The invention discloses a chlorinated-esterified polybutadiene rubber modified polyvinyl chloride cable material which is prepared from the following raw materials: polyvinyl chloride, chlorinated-esterified polybutadiene rubber, modified pyrophyllite, calcined argil, zinc oxide, stearic acid, epoxy resin, polysulfide rubber, triphenyl phosphate, a methyl methacrylate-butadiene-styrol copolymer, epoxy butyl oleate, a thermal stabilizer, polyhydric alcohols, aluminum hydroxide, diisooctyl phenyl phosphate, dilauryl thiodipropionate, a coupling agent, barium stearate and dicumyl peroxide. The chlorinated-esterified polybutadiene rubber modified polyvinyl chloride cable material disclosed by the invention is high in shock strength and good in thermal stability and has excellent flame-retardant, wear-resistant and corrosion-resistant properties.