The invention discloses a high-efficiency double-head cable cutting saw. The high-efficiency double-head cable cutting saw comprises a base, a first chassis and a second chassis; the first chassis is mounted at the top of one end of the base; a protective cover is mounted on the other side of the top end of the first chassis through a hinge; an observation window is formed in one side of the protective cover; a rotating shaft is mounted on the inner side of a bracket; the second chassis is mounted on one side of a fixed frame; a control panel is mounted on one side of the second chassis; a hydraulic pump switch is arranged on one side of a power supply switch; a cutting saw switch is arranged on one side of the hydraulic pump switch; a PLC is mounted on one side of the cutting saw switch; a human body induction sensor is mounted in the protective cover; an oil tank is mounted in the first chassis; and a hydraulic pump is mounted on one side of the oil tank. The high-efficiency double-head cable cutting saw is high in cutting efficiency, meanwhile, improves the cutting quality, guarantees the safety of operators, and guarantee efficient and safe equipment production.