The invention discloses a special environment-friendly high polymer material for optical cables, and the material is characterized in that the material is prepared from the following components in parts by weight: 15 to 25 parts of acrylonitrile ionized modified poly (2, 5-bis (1, 2, 4-triazole-1-yl) terephthalic acid 2, 3, 5, 6-tetrafluoroterephthalyl alcohol ester, 60 to 70 parts of high-density polyethylene, 10 to 15 parts of fluorine-containing hyperbranched polyethylene copolymer, 5 to 8 parts of vinyl hyperbranched polyurethane, 1.5 to 2.5 parts of 3, 4, 5-trifluorophenylboronic acid, 1 to 2 parts of initiator and 0.5 to 1.0 part of an antioxidant. The invention further provides a preparation method of the special environment-friendly high polymer material for the optical cable. The special environment-friendly high-molecular material for the optical cable, disclosed by the invention, is excellent in comprehensive performance, performance stability, flame retardance, aging resistance, heat resistance, impact resistance and mechanical property.