The best three producing areas: Yantai, Shandong, Shacheng, Hebei and Changli, Hebei, are mainly Cabernet Sauvignon, Merlot and Riesling. People who can drink generally choose Huaxia wine in Changli, Hebei Province. There are various classification methods, generally according to sugar content, color, CO2 pressure, processing methods, etc. Wine can be divided into taste and sugar content: dry wine, with sugar content less than 4 grams per liter, is sweet; Semi-dry wine, the sugar content per liter is 4- 12 g, the acidity is not obvious, but slightly sweet; Semi-sweet wine with sugar content of 0/2-50g per liter/kloc; Sweet wine, with a sugar content of more than 50 grams per liter, is mainly sweet and does not contain sour taste. Wine can be divided into white wine, red wine and pink wine. In terms of brewing methods, wine can be divided into natural wine (completely fermented with grape juice, without adding alcohol and sugar), fortified wine (adding alcohol and sugar during fermentation), flavor wine (divided into dry grape and sweet wine), sparkling wine and aerated sparkling wine (releasing CO2 gas after opening a bottle), brandy and liqueur (artificially increasing alcohol content, which belongs to after-dinner drinking). Wine can be divided into single variety and multi-variety from variety configuration. A single variety only needs one kind of grape as the raw material for brewing, and a variety of wine is a mixture of many kinds of grapes. Wine can be divided into vintage wine and non-vintage wine from the raw materials. According to the label of the bottle, there are high and low wines, and the alcohol content of high wine is above 40%. The alcohol content of low-alcohol wine is only about 10%. In addition, according to the origin of grapes, it can be divided into home brewing and mountain brewing; According to the content of grape juice in wine, it is divided into: whole juice wine and half juice wine; According to CO2 pressure, it can be divided into still wine, grape sparkling wine and aerated grape sparkling wine. According to the importance of natural factors (ecology and variety) in wine quality, wine can be divided into three categories: 1. Wine named after its place of origin. 2. all kinds of wine. 3. Drink wine. According to the quality classification (French standard), it can be divided into named grapes of origin (AOC), high-quality wines of producing areas (VDQS) and ordinary wines of producing areas (VINS· de Pais). VINS· de Coupaye. According to the purpose of drinking: aperitif, table wine, wine to be scattered.