Water-retaining moistureproof power cable

The utility model discloses a water-retaining moistureproof power cable. The water-retaining moistureproof power cable comprises a cable body, conductors, insulation layers, shielding layers and an oversheath. The cross section of the cable body is of a circular structure; the cable body is internally provided with the plurality of conductors; the conductors are externally extruded by the insulation layers; the insulation layers are externally extruded by the shielding layers; the conductors, the insulation layers and the shielding layers form two cable core together; the two cable cores are arranged inside the cable body; the cable cores are connected through a plastic cement frame; the cable cores are externally closely extruded by one water retaining belt; gap portions between the water retaining belt and the cable cores are filled up with filler ropes; the water retaining belt is successively extruded by an epoxy resin layer, an armored layer and an inner sheath from the inside to the outside; and the inner sheath is externally closely extruded by the oversheath. The cable provided by the utility model has the advantages of reasonable structural design, good waterproof performance, long service life and the like.