Environment-friendly flame-retardant optical cable

The invention relates to the technical field of optical cables, and discloses an environment-friendly flame-retardant optical cable, which comprises a main body assembly including a fiber core and a tight sleeve, and the tight sleeve sleeves the surface of the fiber core; and the protection assembly is arranged on the surface of the tight casing pipe and comprises a bearing part and a protection part, and the bearing part is arranged on the surface of the tight casing pipe. The beneficial effects of the invention are that the protection assembly is arranged to improve the performance of the optical cable, the first threaded cavity and the second threaded cavity are arranged to reduce the weight of the sheath, and the metal net is arranged to improve the impact resistance of the sheath and shield part of signal interference; the long-strip-shaped spiral cavities of the first threaded cavity and the second threaded cavity are filled with flame-retardant materials, so that the flame-retardant performance of the