The invention discloses a portable overhead ground wire restorer, and solves the problems of time consumption and labor consumption and damage to equipment in the existing overhead ground wire restoration. The portable overhead ground wire restorer is characterized by comprising symmetrically cutting two upper stainless steel semicircular tubes, two lower stainless steel semicircular tubes, stainless steel hinges, upper movable fixed frames, lower movable fixed frames, U-shaped fixed plates, lifting type bases, and butterfly-shaped fastening bolts, wherein the upper stainless steel semicircular tubes and the lower stainless steel semicircular tubes are connected through the stainless steel hinges; the two upper stainless steel semicircular tubes are connected with the upper movable fixed frames and the U-shaped fixed plates; the two lower stainless steel semicircular tubes are connected with the lifting type bases and the lower movable fixed frames; the butterfly-shaped fastening bolts are arranged in the corresponding lifting type bases; and the positions of the butterfly-shaped fastening bolts are corresponding to those of the U-shaped fixed plates. The portable overhead ground wire restorer is light and convenient to use, flexible, safe and reliable, and convenient to operate.