The name of the utility model is a cover hood for plugging a hose end. The cover hood belongs to the technical field of soft infusion tube plugging, is mainly used for solving the existing problems, and is mainly characterized in that the cover hood comprises a conical cover hood body; a tube connector is arranged at a large port of the conical cover hood body; and an elastic valve assembly is arranged at a small port of the conical cover hood body. The cover hood has the advantages of being simple in structure, convenient to assemble and disassemble, and capable of not only being matched with the tube connector to a port of the soft infusion tube, but also discharging air in the tube. The cover hood is mainly used for being matched with a connector of a negative tube at the port of the soft infusion tube, and for plugging the port tightly.