The first is to slow down the aging process: the human body, like metals, will gradually "oxidize" in nature. The main culprit in the oxidation of the human body is not oxygen, but oxygen free radicals, which are a kind of reactive group containing no pair of electrons outside the cell nucleus.　

The second is the prevention of cardiovascular disease: red wine can make the blood of high-density lipoprotein (HDL) rise, and HDL's role is to transfer cholesterol from the extrahepatic tissues to the liver for metabolism, so it can effectively reduce blood cholesterol, prevention and treatment of atherosclerosis. Not only that, the polyphenol substances in red wine can inhibit platelet aggregation and prevent thrombosis. Although white wine also has the effect of anti-platelet aggregation, but a few hours later there will be a "rebound", so that the platelet aggregation is more hyper than before drinking, and red wine is not this rebound phenomenon. The inhibition of platelet aggregation continued 18 hours after drinking.　

The third is the prevention of cancer: resveratrol contained in the skin of grapes, anti-cancer properties in hundreds of plants commonly eaten by humans is the best. It can prevent normal cells from becoming cancerous and can inhibit the spread of cancer cells. Among all kinds of wines, the content of resveratrol in red wine is the highest. Because resveratrol can make cancer cells lose their ability to move, red wine is a good product for cancer prevention.　

Fourth is the role of beauty: since ancient times, red wine as a beauty good, doubly loved by people. Some people say that French women's skin is delicate, moist and rich in elasticity, and often drink red wine. Red wine can prevent aging, make the skin less wrinkles. In addition to drinking, many people like to apply red wine to the face and body surface, because the low concentration of fruit acids have the effect of anti-wrinkle skin cleansing. Although the benefits of drinking red wine are numerous, there is a limit to the amount that can be consumed. According to experts, drinking red wine with 12 percent alcohol content should not exceed 250 milliliters per day, otherwise it will be hazardous to your health.　

Drinking a glass of red wine a day may reduce the risk of lung cancer by 60% (compared to those male smokers who don't drink red wine).