Black beans and vinegar are not drugs, so black beans in vinegar does not have the efficacy or role of drugs, the role of food is to provide the body with protein and other nutrients, energy. Black beans soaked in vinegar does not have the efficacy of drugs, but has a certain nutritional value. From the analysis of the nutritional composition of black beans, an average of one hundred grams of black beans contain 36 grams of protein, 33.6 grams of carbohydrates, 15.9 grams of fat, and 10.2 grams of crude fiber, after consumption can provide the body with 340 kcal or so of energy. Vinegar soaked black beans mainly use edible vinegar, is a commonly used condiment, acidic flavor, and does not have the efficacy of the drug. Vinegar belongs to the more acidic condiments, too much consumption may also produce some stimulation of the gastric mucosa, gastrointestinal patients too much consumption is more likely to cause discomfort. If there is physical discomfort, it is recommended that patients go to the hospital in a timely manner for diagnosis and treatment, do not blindly use the so-called prescription treatment, black beans soaked in vinegar does not have the efficacy of treatment or prevention of disease.