The invention discloses a fuse jig, which is used for processing the residual fuse bosses after a fuse joint is removed; the fuse column comprises a closed hole; the fuse jig comprises a base seat and a probe; the base seat comprises a first end, a second end and a through hole, wherein the through hole is formed from the first end to the second end, and can accommodate the fuse boss by way of the second end; and the probe comprises a third end, a fourth end, a chambering part and a positioning part, wherein the chambering part is positioned on the fourth end, the positioning part is positioned between the third end and the fourth end, the fourth end of the probe is arranged into the through hole by way of the first end of the base, a chambered hole can be formed in the fuse boss by the chambering part, and the external diameter of the chambering part is larger than or equal to the aperture of the closed hole. By utilizing the fuse jig provided by the invention, original plastic partscan be reserved, and the ferrous parts used for different tests can be easily replaced, thus achieving the purposes of lowering the research and development costs and rapidly verifying; in addition, the plastic part cost in the reworking production process can be saved, the scrap is reduced, and the production quality rate is improved.