A securing structure for motor magnets includes a casing, a rotor, two magnets, a rear cover and a ring sleeve. The casing has two magnet seats bilaterally disposed on the outer wall, wherein the two magnets are fittingly combined in the two magnet seats and thus providing electrical force to the rotor, while the rotor disposed inside the casing. The rear cover and a brush fixing seat coaxially sleeve on one end of the casing. The ring sleeve mounts around the casing to offer an external restraining force to the magnets.