To provide a light, compact steel framework correcting tool capable of assuring easy handling, safety for work at a high place and a good efficiency in work.

A correcting tool 1 for steel framework comprises a length adjusting bolt 2 having a right hand threaded portion 2a at the head portion and a left hand threaded portion 2b at the tip side, an almost T-shaped head side linking member 3 having an internal thread screwed to a right hand threaded portion 2a almost at the central portion with an upper surface projected body 3a and a lower surface projected body 3b having a pair of guide plates 3c extended in parallel in a bolt axis direction, and a tip side linking member 4 having an internal thread screwed to a left hand thread portion 2b with a projected body 4a on the top surface and a flushing plate body 5 extended forwardly on the lower surface. By turning the head portion of the length adjusting bolt 2, the interval between the head side linking member 3 and the tip side linking member 4 can be freely adjusted.