The invention discloses a PVC (polyvinyl chloride) cable material which comprises the following components by mass: 100 parts of PVC, 5-15 parts of heat stabilizer, 10-60 parts of plasticizer, 1-15 parts of lubricant, 0.1-1 part of antioxygen, 2-10 parts of fire retardant, 5-10 parts of calcined clay, 10-40 parts of calcium carbonate, and 0.1-0.5 part of UV-329; the oxygen index of the PVC cable material reaches up to be 33%, the dielectric constant is 4.2, the smoke density per the unit mass of smoke is 10-12 g, thermal ageing quality loss is 15-18 g / m<2>, the volume resistivity is 8*1015 omega / cm at the temperature of 20 DEG C, the volume resistivity is 6*1015 omega / cm at the temperature of 70 DEG C, the tensile strength is 18-19 MPa, the tensile strength retention rate is 99%, and the PVC cable material resists is heat-resistant and cold-resistant, is difficult to volatilize, is pumping-resistant and excellent in flexibility and electric insulation property, can be widely produced and can replace the conventional material continuously.