Generally speaking, wine can only be crushed or unbroken fresh grapes or grape juice, with an alcohol content of ≥ 8.5% (v/v). The alcohol content of special producing areas (with traditional climate and soil varieties) is ≥7.0%. According to the color, it is divided into white wine (nearly colorless, straw yellow, golden yellow, etc. ), pink wine (rose red) and red wine (ruby red or pomegranate red). According to the sugar content, it is divided into dry wine (sugar content ≤ 4.0g/L), semi-dry wine (sugar content ≥ 4. 1 ~ 12.0g/L), semi-sweet wine (sugar content ≥ 50.6438+0 ~ 50.0g/L) and sweet wine.

In addition, fresh grapes, grape juice or wine as raw materials, in the production process or after some special treatment, legally brewed wine is defined as special wine. This kind of wine not only has the characteristics of grape varieties themselves, but also has the characteristics of the production technology adopted, such as liqueur, flavor wine, wine under film, sparkling wine, ground wine, ice wine and so on.