Black garlic and millet sauce beverage and preparation method thereof

The invention relates to the technical field of food processing, and aims to provide a black garlic and millet sauce beverage and a preparation method thereof, and the black garlic and millet sauce beverage is prepared from the following raw materials in parts by weight: 15-20 parts of black garlic sauce, 2-6 parts of millet juice, 15-20 parts of lemon juice, 10-15 parts of ginger juice and 8-10 parts of apple vinegar. The beverage is prepared from the following raw materials in parts by weight: 10-15 parts of a radix puerariae extracting solution, 15-20 parts of a hawthorn extracting solution, 0.5-1.5 parts of a rhizoma polygonati extract and 1-3 parts of a compound sweetening agent. The raw material ratio strictly follows the matching principle of monarch, minister, assistant and guide, the millet plays a good guiding and guide role in the formula, the effects of other raw materials are better played, the synergistic effect of the effects is more obvious, the immunity can be improved, cold can be prevented,