The utility model discloses a fire -retardant thermoplastic elastomer aluminium core cable, including conductor, inner sheath layer, oversheath layer, inner sheath layer, oversheath layer in proper order the cladding in the conductor outside, be provided with the PVC layer between inner sheath layer and the oversheath layer, the PVC in situ is provided with first oxygen layer and the second septum oxygen layer of separating outward respectively, second septum oxygen is provided with around the band outside the layer, the utility model discloses a cable structure can have the fire behaviour of excellence under the first effect that separates oxygen layer and second septum oxygen layer, but also can play anticorrosive effect.