The utility model discloses a New Zeshi guardrail hoisting machine tool which comprises a hoisting rod of a crane, a clamp connecting rod, a hydraulic jack, a rhombus movable frame, a bolt and a clamp, the hydraulic jack is connected to the bottom of the hoisting rod through the clamp connecting rod, the rhombus movable frame is installed at the bottom end of the hydraulic jack, and the clamp is installed at the bottom end of the rhombus movable frame. According to the utility model, the clamp modified by a forklift is used for transferring, so that the transferring efficiency is greatly improved, the mounting quality of the precast block is fully guaranteed, and the damage to the precast guardrail is reduced; the guardrail can be firmly clamped by the refitted lifting appliance, so that the guardrail is not easy to slip and topple in the mounting process, and the transportation and lifting safety is effectively ensured; refitting and manufacturing are simple, and popularization is facilitated; the device can be recycled, and the modification cost is low.