Red wine in onions does not have any effect. And wine is one of the carcinogens, if you drink it for a long time, it may increase the chance of cancer. Red wine soaked onions in the main ingredients are red wine and onions, red wine is mainly grapes and blueberries and other fruits, through professional methods of fermentation into fruit wine, which contains alcohol. Onions are a common ingredient in life. Daily onions and red wine soaked to drink together, and can not play the same as the efficacy of the drug and role, but also does not have any effect on the treatment of disease. Red wine soaked onions to treat some kind of disease belongs to the folk therapy, daily when the body is uncomfortable, but also need to go to the hospital in time to medical treatment. A small amount of drinking some red wine soaked onions will not cause discomfort, but red wine contains alcohol, not recommended to consume too much, so as not to cause harm to personal health.