Wire corrector and wire correction method

A portable wire corrector comprises a first arm and a second arm. The near ends of the first arm and the second arm are hinged through a first wire guide roller. A second wire guide roller is arranged at the far end of the first arm. A third wire guide roller is arranged at the far end of the second arm. A fourth wire guide roller capable of moving along the first arm is arranged between the first wire guide roller and the second wire guide roller. A fifth wire guide roller capable of moving along the second arm is arranged between the first wire guide roller and the third wire guide roller. The first wire guide roller is provided with a roller groove used for being matched with a wire and a limiting device used for limiting the included angle between the first arm and the second arm. The second wire guide roller, the third wire guide roller, the fourth wire guide roller and the fifth wire guide roller are provided with roller grooves for being matched with the wire. The wire corrector is small in size, simple in structure, convenient to operate and capable of reducing workers in a project and improving work efficiency.