Pingnan old wine belongs to low-sugar and low-alcohol wine. It is fermented by traditional unique red yeast rice. It is heated at a constant temperature and fermented at low temperature for a long time. The starch, sugar, protein and fat in the glutinous rice are effectively decomposed, and the sweet and sour taste in the wine. It has a blend of flavors such as umami, bitterness and spicy flavor. The newly brewed wine is red with green color. It is converted into natural amber after long-term storage. The color is clear, the body is clear, and it can produce a variety of high alcohols, amino acids, vitamins and proteins. In order to form a good taste of the original taste, natural color and mellow taste of Pingnan old wine.