A multi-phase fault-tolerant permanent-magnet motor belongs to the technical field of a special motor. The multi-phase fault-tolerant permanent-magnet motor comprises a shell, permanent magnets, stator cores, armature windings, fan-shaped iron cores, a rotor core rack and a shaft, wherein the stator cores are divided into 7X sub-iron cores which are partitioned, the 7X sub-iron cores are uniformlyarranged in a circle, X is a positive integer, 6X uniformly-distributed fan-shaped grooves are formed in the rotor core rack, a tooth-shaped groove is formed in the bottom of each fan-shaped groove in a radial extending way, the 6X fan-shaped iron cores are fixedly arranged in the fan-shaped grooves of the rotor core rack, a tooth-shaped iron core bulge is formed in a tail part of a middle part of each fan-shaped iron core, is continued to extend outwards and is clamped onto the rotor core rack, one of the permanent magnets is clamped between two stator poles to form a pair of stator cores, and two stator poles on the pair of stator cores are parallel to each other. The motor is provided with independent stator sub-iron cores, each winding is isolated, and fault propagation can be effectively and timely prevented; and with the adoption of a novel stator structure, a motor fault can be isolated, and the motor can be enabled to stable run under the condition of a local fault.