1, wine is made of wine grapes. Wine grapes have small fruit, thick skin, juicy and less meat, and high tannin content, so they taste astringent and are more suitable for brewing wine.

2. Cabernet Sauvignon, Black Pi Nuo, Camry and Syrah are common; The edible grapes are sweeter, thinner and more delicious, which are suitable for eating but not for wine making.