The utility model relates to a leveling jacking device, include base, rotatory sleeve, jacking support. The utility model is used for installation, support or leveling reference surface, to the higher ground of interplant requirement ground flatness, as basic jacking device leveling frock, jacking leveling operation is carried out on the ground that is applicable to the requirement of interplant 80%. The speciality tool that need not simple to use, the single leveling that just can accomplish installation parts ground, adopt T type screw, this product can be at exclusive use under the circumstances that heavily reaches 3 tons of members, exceed 3 tons mould platform through calculating back monomer weight, this device can adopt buttress thread to can lock and die, experimental and relatively through many times, average leveling precision is within 1mm, and the operation requirement also can be satisfied completely to the mould platform leveling of large tracts of land.