grape vinegar is similar to wine in composition, with rich fruit aroma and moderate acidity. It has the functions of seasoning, medicine and health care. Especially in the health care function: wine vinegar is rich in vitamins and minerals, which can enrich blood and reduce cholesterol in blood; Wine vinegar can inhibit the oxidation of low lipoprotein, increase high density lipoprotein in blood, promote blood circulation and prevent coronary heart disease; The antioxidant components contained in wine vinegar can resist cancer, aging and prevent platelet coagulation; It is rich in phenolic compounds, which can also prevent arteriosclerosis and maintain vascular permeability; Rich tannic acid can prevent tooth decay and radiation injury; Drinking proper amount of wine vinegar can help women to maintain beauty and make their skin delicate, moist and elastic; Wine vinegar can also make the oil in dishes disappear and promote the digestion ability of the stomach.