The utility model discloses a power transmission line foreign matter barrier removing tackle, belongs to the field of a power grid, and solves the technical problems in the prior art that foreign matters are removed by a tackle via a friction cutting mode which is low in efficiency and high in work intensity. The power transmission line foreign matter barrier removing tackle comprises a tackle body which is provided with driving pulleys used for sliding on a power transmission line. The tackle body is provided with a rotating frame and a driver which drives the rotating frame to rotate. The rotating frame is provided with a thermal cutting member which is used for fusing the foreign matters. The tackle body is provided with a power supply which is used for supplying power to the thermal cutting member. The power transmission line foreign matter barrier removing tackle is applied to the high-voltage power transmission line of the power grid.