Green plum and rhizoma polygonati beverage and preparation method thereof

The invention discloses a green plum and rhizoma polygonati beverage and a preparation method thereof, and the beverage is prepared by the following steps: juicing green plums, mixing green plum juice with a rhizoma polygonati extract and water, filtering, adding a dispersant into filtrate, and sequentially carrying out bubbling mixing treatment and defoaming treatment, so as to obtain the green plum and rhizoma polygonati beverage. In the bubbling mixing treatment, gas is introduced into the filtrate for bubbling, and a gas medium used in the bubbling mixing treatment is oxygen-free gas; and according to the scheme, green plum juice obtained after green plums are juiced is ingeniously mixed with the polygonatum sibiricum extract, the dispersing agent is supplemented, the green plum and polygonatum sibiricum beverage is prepared, components, beneficial to human bodies, in green plums and polygonatum sibiricum can be reserved to the maximum extent, meanwhile, the freshly squeezed flavor and taste of the bevera