The utility model relates to a lifter for a ground wire. The lifter for the ground wire is characterized by consisting of a cross arm clamp device and a wire lifting hook device, and one end part of a positioning block of the wire lifting hook device is positioned in a U-shaped notch of the cross arm clamp device. The cross arm clamp device comprises a fastening bolt, a U-shaped clamping plate, a strip plate, a bottom plate, a fixing plate, a fixing plate bolt and a fixing beam. The wire lifting hook device comprises a positioning barrel, the positioning block, a screw rod, a U-shaped tongue mouth plate, a tongue mouth plate bolt, a wire lifting hook, a screw rod nut, an insulating rubber layer and a screw rod nut handle. The lifter has the beneficial effects that the lifter can be firmly and fixedly arranged on a cross arm of a pole tower; a deviation fault is avoided; moreover, the carrying is portable; the lifter can adapt to different mounting ways; the ground wire is lifted beneficially; and the lifter has the characteristics of simple structure, light weight, convenience in operation, small labor intensity, high work efficiency and good safety performance.