The utility model discloses an anti-oxidation fresh-keeping beverage preparation device, which relates to the technical field of beverage preparation, and comprises a base, a mounting seat arranged at the top of the base, a preparation cylinder arranged at the top of the mounting seat, and a bubble eliminating
assembly comprising a sliding sleeve arranged on the preparation cylinder, the side, close to the sliding sleeve, of the top of the base is connected with a supporting plate, the supporting plate is connected with a sleeve, a spring is arranged in the sleeve, the spring is connected with a vibration head, the vibration head is slidably connected into the sleeve, the side, close to the vibration head, of the sliding sleeve is connected with a
pulley, and the upper side and the lower side of the vibration head are both arranged to be inclined faces. The driving
assembly comprises an extension plate connected to the sliding sleeve, an electric push rod is arranged at the top of the base, the output end of the electric push rod is connected with the extension plate, and the bubble eliminating
assembly is arranged, so that the contact area of the beverage and
oxygen can be reduced, degradation of active ingredients such as vitamins and
polyphenol is delayed, and color and
flavor stability is maintained.