The optical fiber and water-blocking ointment in the layer-stranded ADSS optical cable are added to the loose tube of the fiber at the same time, and then different loose tubes are wound on the central strength member (usually FRP). Aramid yarn, finally extruded PE or AT sheath. The ADSS fiber optic cable loose tube of this structure and the filling ointment of the central strength member are fully twisted together to ensure its waterproof performance, and there are various anti-lateral pressure measures according to different requirements.