The invention discloses a cartridge fuse suitable for use in a humid environment. The cartridge fuse comprises a cartridge fuse body mounted in a mounting block. The mounting block is provided with amounting chamber thereon. Two symmetrically arranged springs are welded on the inner wall at the bottom of the mounting chamber. The same bottom plate is welded on the bottom ends of the two springs.The cartridge fuse body is placed on the bottom plate. Embedded grooves are arranged in the inner wall on both sides of the mounting chamber. First push rod motors are fixedly mounted on the inner walls of the sides, far way from each other, of the embedded grooves. An output shaft of each first push rod motor extends into the mounting chamber and is welded with a first connecting rod. The cartridge fuse suitable for use in the humid environment in the invention is convenient to use, the cartridge fuse body can be limited and initially fixed by the first push rod motors, then the cartridge fuse body is fixed again by second push rod motors, the cartridge fuse is isolated from the external humid environment by a glass cover, and the cartridge fuse is easy to operate.