Blueberry fruit wine and preparation method thereof

The invention provides blueberry fruit wine and a preparation method thereof. The preparation method comprises the following steps: preparation of blueberry fruit juice: sulfur dioxide is added into blueberry fruits, fragmentation and juicing are carried out, and gelatin, citric acid, pectinase and chitosan are added in order for treatment in order to obtain blueberry fruit juice; preparation of blueberry base wine: after blueberry fruits are fragmented and pectinase is added, cold dipping and clarification treatment are carried out in order, and aroma-producing fermentation, alcoholic fermentation and malic acid-lactic acid fermentation are carried out; blending of the blueberry fruit wine: blueberry fruit juice and blueberry base wine are blended according to requirements and cold stabilization is carried out, degerming is carried out, carbon dioxide is filled, and the product is obtained. The blueberry wine can reserve more blueberry fragrance; fermentation degree is low, and the product can be accepted by