Abstract: This invention discloses a separable beverage freshness preserver including a gas outlet assembly and a sealing assembly connected with the gas outlet assembly. The separable beverage freshness preserver is characterized in that the sealing assembly includes a liquid guiding assembly and a bottle stopper assembly connected with the liquid guiding assembly; the liquid guiding assembly includes a cock and a liquid dispensing pipe connected with the cock; and the liquid dispensing pipe is detachably connected with the cock. The liquid dispensing pipe and the like can be separated from a bottle body, and thus, beverages can be placed in a place with a narrow space, such as a refrigerator and the like, and occupy a small space so as to facilitate refrigeration and preservation of beverages.