The utility model discloses an intelligent cable for a subway. The cable comprises form interior to exterior in sequence: a copper conductor, a conductor shielding layer, a crosslinking polyethylene insulation layer, an insulation shielding layer, a copper wire shielding layer, a wrapping belt, a plastic-aluminum composite belt, a comprehensive waterproof layer, an armored copper belt, and a ratproof antproof ultraviolet-proof halogen-free low-smoke sheath, wherein the copper wire shielding layer is provided with two temperature measurement optical fibers and two communication optical fibers. According to the intelligent cable for subway, the temperature measurement optical fibers and the communication optical fibers are disposed in the copper wire shielding layer, so that the actual operation situation, the heat distribution, and the abnormality of the cable can be monitored in real time, and therefore the object of guard against gradual creeping is achieved, problems can be noticed and solved immediately before the cable and a power system is damaged, the service lives of the cable and the power system are prolonged, and power transferring and communication are achieved on one line, thus purchasing and laying costs are reduced.