1. When purchasing red wine, you should know the contents of the trademark label, including product name, ingredient list, net content, pure juice content, alcohol content, sugar content, factory name, address, production date, shelf life, product standard code, etc. In addition, consumers should try to buy pure juice wine marked with grape varieties, so that the quality of such wine is more guaranteed.

2. Observe the color of wine. The whole body is clear and transparent, showing deep ruby red, and it is good wine without precipitation and turbidity; If the color is dark and there is no luster and brightness, it means that there is something wrong with the quality of the wine, and consumers should buy it carefully.

3. Choose the wine type according to your hobbies. Wine can be divided into sweet, semi-sweet, dry and semi-dry types according to its sugar content, and red, white and pink according to its color. High-grade red wine, the body is clear and transparent, shiny, the wine is fragrant and pleasant, the taste is soft and the aftertaste is long. Generally, the alcohol content of dry red wine is between 11 and 12 degrees. High-grade white wine is generally yellowish with green, clear and transparent, shiny, fruity and mellow, and the alcohol content is generally around 12 degrees.