The utility model discloses an auxiliary hanger for overhaul of a safety belt, relating to an auxiliary apparatus for overhaul of an electrical device, and comprising a stand component and a V shaped support, wherein the stand component is formed by movably fixing and connecting an upper clamp plate and a lower clamp plate through fastening bolts, the upper surface of the upper clamp plate is movably connected with a vertical rod, the end portion of the V shaped support is fixedly connected with a fastening hoop, the V shape support is movably fixed and connected to the vertical rod through the fastening hoop, and the V shaped support is provided with a suspension ring. The upper clamp plate and the lower clamp plate clamps the base channel steel of an isolation switch, the upper clamp plate is fixed with the vertical rod, the vertical rod is provided with the V shaped support for suspending a safety belt, in accordance with the related safety belt suspension prescribes in the 'Working Safety Regulation for Power Industry', capable of effectively avoiding personal safety accidents due to irregular suspension of a safety belt during the overhauling operation, and having the advantages of simple structure, convenience, and practicality.