It is red wine. Red wine is a general term for wine, because when wine first arrived in China, most of it was red wine, so it was called red wine. Red wine can also be understood as red wine, a type of wine, which is red in color. Wine is made by collecting and pressing grapes. There are hundreds of different varieties of grapes. Once the grapes are crushed, the combination of natural sugars in the grapes and yeast (which is naturally found on the skins of the grapes and can be replenished by the winemaker) will result in fermentation to produce alcohol. Wine Classification:1. Dry Wine:Sugar content less than 4g/L, no sweetness to taste, clean, light, harmonious fruit and wine aroma.2. Semi-dry Wine:Sugar content 4~12g/L, slightly sweet. The taste of the wine is clean, elegant and rounded, and the fruity and wine aroma is harmonious and pleasant.3. Semi-sweet wine: the sugar content is 12~50g/L, and it has sweet and smooth and pleasant fruity and wine aroma.4. Sweet wine: the sugar content is more than 50g/L, and the taste is sweet, mellow, refreshing and smooth, and the fruity and wine aroma is harmonious.