Grafting maintenance device for rejuvenation of aged apple trees

The utility model discloses a grafting maintenance device for rejuvenation of aged apple trees, and relates to the technical field of apple tree grafting maintenance, the grafting maintenance device comprises an apple tree grafting maintenance device body, the apple tree grafting maintenance device body comprises a clamping limiting ferrule, after branches are grafted, a film is wound on the clamping limiting ferrule, and the clamping limiting ferrule is clamped on the clamping limiting ferrule. A clamping limiting ferrule is connected to the surface of a branch in a sleeving mode, a shielding heat preservation unit is fixedly connected to the outer side surface of the clamping limiting ferrule, and an elastic extrusion protection unit is arranged on the inner side surface of the clamping limiting ferrule. After a branch is grafted, the thin film is wound, the clamping limiting sleeve is sleeved on the surface of the branch and is matched with the elastic soft column to deform, extrude and fix certain bent pl