The utility model discloses a physical blowing coaxial cable, its key lies in: including conductor, insulating layer and cladding the sheath in insulating layer outside of cladding outside the conductor, between insulating layer and the sheath from inside to outside in proper order the cladding have the interference layer of preventing and shielding layer. The utility model relates to a physical blowing coaxial cable, the jam -proof is effectual with the shielding, and it is little to attenuate, and the capacitive character can be good, and transmission quality is high.