The utility model discloses a change instrument of ultra -high voltage transmission line way insulator, include: carry the line ware, its lower part sets up wire lifting hook, and wire lifting hook is used for the gripping insulator, the jack, it sets up is carrying line ware top and is passing through hook connect carry the line ware for the height of line ware is carried in the regulation, an anchor rod, including first connecting pin and the first connecting pin gone up, first connecting pin is connected the jack, the 2nd anchor rod, connecting pin and second connecting pin on the second, second connecting pin passes through the U -loop and connects the first connecting pin of going up, iron tower cross arm construction eye department is connected to the connecting pin on the second, wherein, an anchor rod and the 2nd anchor rod's surface coating anti -corrosive paint. The utility model discloses a change instrument of ultra -high voltage transmission line way insulator has eliminated the fish tail of high altitude working worker wrist, neck, face when using wire rope, has improved maintenance work efficiency greatly, has alleviateed staff's intensity of labour, improves operation safety factor.