The invention discloses a high-temperature-resistant cable material. The high-temperature-resistant cable material is prepared from, by weight, 80-100 parts of polyolefin resin, 2-5 parts of stearic acid, 60-80 parts of magnesium hydrate, 5-10 parts of ultraviolet light absorber, 1-4 parts of titanate coupling agent, 5-10 parts of abrasion-resistant agent, 15-35 parts of reinforcing agent, 3-10 parts of crosslinking agent and 10-20 parts of plasticizer. The composition raw material formulation is reasonable, good high temperature resistance is achieved, the high-temperature-resistant cable material normally works at high temperature, and meanwhile is good in flame resisting effect, good in abrasion resistance and long in service life, and damage caused by fires is well relieved.