To provide a wheel correcting instrument capable of easily and smoothly performing repairing work.

This wheel correcting instrument 201 for repairing the deformation of a wheel W is provided with a jack 210 for extruding a pressing tool J2, a jack holding means 220 for holding the jack 210, a supporting rod 230 connected to the jack holding means 220 to support the jack holding means 220, a supporting flange 62 fixed to the wheel W to erect the supporting rod 230, and supporting rod connecting means 230a and 62a for so as to be attachable to and detachable from each other connecting the supporting rod 230 and the supporting flange 62. The supporting rod connecting means 230a and 62a connect the supporting rod 230 to the supporting flange 62 so that the jack holding means 220 holds the jack 210 at an arbitrary angle in the circumferential direction of the wheel W. The jack holding means 220 holds the jack 210 so that the angle of the jack 210 in relation to the supporting rod 230 is adjusted.