The utility model relates to the field of vehicle battery packs, and discloses a fuse box and a fuse device. The fuse box comprises a fuse box upper shell and a fuse box lower shell, a main accommodating cavity is formed in the fuse box upper shell, and through holes located in the two sides of the main accommodating cavity are formed in the fuse box upper shell; conductive bolts for fixedly connecting the fuse box upper shell with the fuse box lower shell are arranged in the through holes; the plugging cap is detachably arranged in the through hole to plug the head of the conductive bolt, sothat an operator does not contact with the conductive bolt, the risk of electric shock caused by direct contact of limbs is avoided, the safety of the operator is effectively protected, and the operation is convenient and fast, and the replacement is convenient; a copper bar mounting table is arranged outside the fuse box lower shell, a copper bar mounting space is formed in the copper bar mounting table, and a copper bar protective cap is detachably arranged in the copper bar mounting space and covers the conductive connecting bolt and the copper bar in the copper bar mounting space, so thatthe risk of electric shock is effectively prevented, and the safety of personnel and a battery pack is guaranteed.