Active probiotic beverage and preparation method thereof

The invention belongs to the technical field of food, and particularly relates to an active probiotic beverage and a preparation method thereof. The active probiotic beverage comprises the following raw materials in parts by weight: 1-10 parts of a white food raw material, 1-10 parts of a cyan food raw material, 1-5 parts of a black food raw material, 1-5 parts of a red food raw material, 1-10 parts of a yellow food raw material, 0-10 parts of sugar and 0-4 parts of prebiotics. White, green, black, red and yellow authentic food materials are selected and scientifically proportioned, prebiotics are added, natural fermentation is performed, chemical substances such as pigments, essence and preservatives are not added, and the prepared active probiotic beverage is rich in various probiotics, various enzymes, small molecular substances and vitamin substances and can activate immunity and regulate sub-health. The beverage has the characteristics of bright red color, bright liquid and natural fragrance, is sour and