The invention discloses a superconducting energy pipeline protected by cooling CF4 through a liquefied natural gas. The superconducting energy pipeline comprises a skeleton (1), a superconducting electrified conductor (2), a low-temperature insulator (3), an LNG pipeline (4), a CF4 pipeline (5), a dewar pipe (6) with a vacuum interlayer, electric terminals (7), LNG terminals (8) and CF4 terminals(9), wherein the LNG is located in the LNG pipeline (4), the CF4 is located in the CF4 pipeline (5) and the CF4 is subjected to conduction cooling through the LNG; the skeleton (1) and the superconducting electrified conductor (2) are cooled through the CF4; and the electric terminals (7) and the LNG terminals (8) and the CF4 terminals (9) are arranged in an isolated manner.