The utility model discloses a device for maintaining spindles of a covered yarn machine and a rubber band machine, belongs to the technical field of spindle maintenance, and aims to solve the problemsof time and labor waste and easiness in hurting operators in the prior art. The utility model relates to a device for maintaining spindles of a covered yarn machine and a rubber band machine. Whereinthe upper cover plate is arranged above the base in parallel; the supporting column is connected between the base and the upper cover plate; the positioning structure is arranged on the upper cover plate and clamps a sheath on the outer surface of the spindle; and the lifting device is arranged on the upper surface of the base, and the lifting device and the positioning structure are oppositely arranged. According to the device for maintaining the spindles of the covered yarn machine and the rubber band machine, the hole-shaped structure on the upper cover plate is used for positioning the protective sleeve, enteromorpha prolifera of the spindles can be separated from the spindles through ascending movement of the jack, the structure is simple, and operation is convenient.