Storage bottle stopper

The utility model belongs to the field of packaging or storage, and particularly relates to a storage bottle stopper which comprises a plug body and a sealing film. The plug body is a hollow cylinder whose upper end is closed at the lower end and has a flange at its upper end and the bottle mouth. The edges overlap and the upper end opening is covered with a sealing film. The sealing film can be aluminum foil, tin foil or plastic film. There are protruding ribs near the outer wall of the upper end of the plug body. The entire plug body is injection molded from plastic, and the design is reasonable. It is simple and easy to use. It separates the aqueous solution from the raw material to achieve the purpose of keeping the flavor or freshness of the beverage. It can be used with the drink, especially for the preservation and long-term preservation of organic beverages, without adding any preservatives, suitable for different Taste and nutritional needs.