The MPP power cable protective sleeve uses the modified polypropylene as the main raw material for production, and is mainly used for directional drilling pipes in the trenchless field. The inner and outer walls of the product are smooth, and the pipe is connected by hot melt welding. The tensile strength is high and the compressive capacity is strong. The one-time stretch can reach above 150 m. This product has been widely used in the domestic power system.