Mini self-bearing optical cable

The utility model relates to a mini-size self supporting type optical cable, which comprises a cable core and an outer protection sleeve. An optical fiber, the sleeve thereof and two strengthening elements are arranged in the cable core, water blocking yarn is arranged in the center of the cable core, a strengthening layer and a water blocking belt layer is clad in sequence between the cable core and the outer protection sleeve, the mini-size self supporting type optical cable has the advantages that the anti-bending performance is good, the external diameter is small, the weight is light, the water blocking performance is better and the construction and the installation are convenient, thus the mini-size self supporting type optical cable is suitable for both outdoor and indoor using and satisfies the operation requirement of broad band passing network and optical fiber to the home.