Low-smoke halogen-free ceramic polyolefin insulated cable

The utility model provides an energy-saving and environment-friendly insulated cable, and particularly relates to a low-smoke halogen-free ceramic polyolefin insulated cable, which internally comprises seven cable inner sub-cores, one cable inner sub-core is arranged at the central position of the cable, and the other cable inner sub-core is arranged at the central position of the cable. A polygonal supporting frame is arranged on the outer side of the cable inner sub-core at the center position, the other six cable inner sub-cores are evenly fixed to the edge of the polygonal supporting frame, a filler interlayer is arranged among the cable inner sub-cores, and an oxygen isolation layer is arranged outside the filler interlayer. The cable inner partial core, the filler interlayer and the polygonal supporting frame are wrapped by the oxygen barrier layer, the buffer layer is arranged outside the oxygen barrier layer, the inner protective sleeve and the outer protective sleeve are arranged outside the buffer l