Repair method of distribution box

The invention relates to a repair method of a distribution box, which comprises the following steps: (1) pretreatment before repair is carried out on the distribution box, (2) repair treatment is carried out on the pretreated distribution box, and (3) post-treatment is carried out on the repaired distribution box, and the repair treatment comprises spraying of a repair material. The repair material comprises a combination of a metal repair material and a metal adhesion material, and the metal repair material comprises solvent-free polyurethane resin. According to the repair method, large-area rusted holes of the distribution box body can be repaired, the box body does not need to be changed, the metal repair material and the metal adhesion material are used as the repair materials for repairing treatment, and the repair material enables the repaired distribution box body to be excellent in abrasion resistance, salt fog resistance and artificial weather aging resistance. 本发明涉及一种配电箱的修复方法，所述修复方法包括如下步骤：(1)对配电箱进行修