To provide a fuse element in which variations of the break performance of the fuse element is reduced, the property can be stabilized and the manufacture is easy, and its manufacturing method.

The fuse element comprises a box-shaped case 10 in which open box-shaped cases 10a, 10b split into two are pasted and fixed by adhesives, a metal terminal 15 (16) that extends from the pasted part on the side face 20 in the longitudinal direction of the box-shaped case and is bent along the side face, and a fuse element 3 that is fixed to the metal terminal 1a extending in the space inside the box-shaped case and stretched between the both metal terminals 6a, 6b in the inside space.