Prepared rhizoma polygonati and Pu'er ripe tea beverage and preparation method thereof

The invention belongs to the technical field of food, and particularly relates to a prepared rhizoma polygonati and Pu'er ripe tea beverage and a preparation method thereof. The prepared rhizoma polygonati and Pu'er ripe tea beverage is prepared from the following raw material components: a mixed extracting solution, citric acid and edible baking soda, the mixed extracting solution consists of a wine-processed rhizoma polygonati extracting solution and a fermented Pu'er tea extracting solution in a volume ratio of (35-45): (20-30); the mass ratio of the mixed extracting solution to the citric acid to the edible baking soda is 100: (0.01-0.04): (0.02-0.03). The prepared polygonatum kingianum and Pu'er ripe tea beverage has the effects of clearing heat, quenching thirst, tonifying qi, moistening the lung, invigorating the spleen and tonifying the kidney, does not contain additive components, and is wide in applicable crowd, simple in raw material composition, good in appearance quality, unique in flavor and eas