Red wine can be divided into dry red wine, semi-dry red wine, sweet red wine and semi-sweet red wine according to sugar content. The sugar content of dry red is below 4g/L, semi-dry red is between 4 ~12g/L, semi-sweet red is between12 ~ 45g/L, and sweet red is above 45g/L..

According to the color of wine, it can be divided into red wine, white wine and pink wine. The color of red wine is generally deep ruby red, ruby red, purple red, deep red, brown red, etc. The color of white wine is mainly yellow, mainly colorless, yellowish with green, light yellow, straw yellow, golden yellow and so on; The color of pink wine is between red wine and white wine, mainly including pink, light red and light rose red.

According to the sugar content, it can be divided into dry wine, semi-dry wine, semi-sweet wine and sweet wine. The sugar content of dry wine is less than or equal to 4.0g/L, that of semi-dry wine is 4.1~12.0g/L, that of semi-sweet wine is12.1~ 50.0g/L, and that of sweet wine is greater than or equal to 50.

According to whether it contains bubbles, it can be divided into still wine, sparkling wine and aerated sparkling wine. Still wine contains no or very little carbon dioxide; Sparkling wine produces carbon dioxide by closed secondary fermentation, and the pressure of carbon dioxide is greater than or equal to 0.35MPa； at 20℃. Aerated sparkling wine is artificially added with carbon dioxide, and the pressure of carbon dioxide is greater than or equal to 0.35MPa at 20℃.