Disclosed in the utility model is a metal-free self-support communication cable comprising a tracking-resistant outer sheath layer. The metal-free self-support communication cable is characterized in that an aramid fiber layer is arranged at the inner wall of the tracking-resistant outer sheath layer; a polyurethane inner sheath layer is arranged inside the aramid fiber layer; a loose pipe sleeve is arranged inside the polyurethane inner sheath layer; a nonmetal center reinforcer is arranged inside the loose pipe sleeve; and fibers are arranged around the nonmetal center reinforce. The provided metal-free self-support communication cable has advantages of high security, electromagnetic field occurrence prevention, strong current interference prevention, larger spanning, and convenient erecting construction.