The utility model provides a railway single-phase intelligent cable. COPPER CONDUCTOR CORE, wherein the outer side of the copper conductor wire core is sequentially coated with an insulating inner shielding layer, a cross-linked polyethylene insulating layer, an insulating outer shielding layer, a semi-conductive tape wrapping layer, a shielding sparse wrapping layer, an extruded lining layer, a flame-retardant tape wrapping layer, an armor layer, a wrapping tape wrapping layer and an outer sheath, and one or more loose tube optical fiber units are arranged in the shielding sparse wrapping layer and/or the armor layer. The beneficial effects of the utility model are that the cable not only has the function of electric energy transmission, but also has the functions of monitoring and remotecommunication, can achieve the real-time on-line monitoring of the full-path cable body and accessories thereof through the cable, and is of great significance to the improvement of the reliability of power supply and the guarantee of the operation safety of an electrified railway.