Grounding down conductor

The utility model relates to a grounding down conductor, and especially relates to a grounding down conductor for a distribution overhead line; the grounding down conductor comprises a rubber upper layer with a network structure, a rubber lower layer, a flame retardation fibrous material and a nanometer carbon steel core nested in the network structure rubber upper layer; the flame retardation fibrous material is arranged in an interlayer of the rubber lower layer, so the grounding down conductor has very good shunting effect; the grounding down conductor has no secondary recovery value, so grounding down conductor stealing phenomenon can be stopped, and the grounding down conductor is aging proof, and good in flexibility.