To provide a bracket positioning cap of dental corrective tool which can be attached at a correct position even if the bracket is removed.

A resin made core 4 independently formed for each tooth 6 is provided with a negative mold 41 covering a cut edge 63 of the tooth 6 of an patient, and the core is connected to a cap 3 which has a fitting dent part 33 detachably attached to a bite plane 18 of a bracket 1. As the cap 3 is detachably attached to the bracket 1, the core 1 is detachably attached to the bracket 1 via the cap 3. The core 4 can be attached/detached with the bracket 1 without breakage, so if the bracket 1 adhered is removed, the used core 4 and the cap 3 are attached to the bracket 1 and the bracket 1 can be positioned against the tooth 6 of the patient.