Fuse system and aircraft engine

The invention aims to provide a fuse system and an aircraft engine. The fuse system comprises a first supporting cone wall for supporting a first bearing. The first supporting cone wall comprises an upper cone wall and a lower cone wall. The upper cone wall is provided with a first bonding end, the lower cone wall is provided with a second bonding end, and the first bonding end and the second bonding end can be connected in a fusible manner. Either the first bonding end or the second bonding end is provided with a connector, and the other one is provided with a limiting cavity and a through hole in communication with the limiting cavity. The connector comprises a connecting part, a stopping block part and a weak part. The stopping block part is connected with the connecting part and the weak part respectively. The stopping block part and the weak part are arranged in the limiting cavity. The stopping block part is movably matched with the limiting cavity. The weak part is fixedly connected with the inner wall