Vacuum fresh-keeping cover and vacuum container with same

The utility model discloses a vacuum fresh-keeping cover and a vacuum container with the vacuum fresh-keeping cover, the vacuum fresh-keeping cover comprises a cover plate, an air valve, a rubber plug and a rubber ring, and a through hole is formed in the middle of the cover plate; the air valve is installed on the through hole in a penetrating mode, and an O-shaped ring is installed between the air valve and the through hole. The air valve has an airflow channel; the rubber plug is filled in the airflow channel; the periphery of the cover plate is sleeved with the rubber ring. Under the cooperation of the air valve and the rubber plug, vacuum suction and release operation are facilitated, adaptation can be achieved only by replacing the rubber ring arranged on the periphery of the cover plate in a sleeving mode when the cover plate is used for containers with different calibers, the adaptability is improved, mold opening production of the cover is avoided, the production cost is reduced, and popularization i