Black bean vinegar is a kind of home cooking made of black beans and vinegar. In itself, it has the effects of promoting blood circulation, diuresis, dispelling wind and detoxification, improving eyesight and tonifying the kidney. Because in itself, black beans have the effects of tonifying the kidney and entering the liver. After being soaked in vinegar, black beans have a certain role in tonifying the kidney for the human body. But black bean vinegar is not suitable for all people, for example, if there is allergy, it is not suitable. In addition, for people with poor gastrointestinal function, the effect of black beans soaking in vinegar is not good. Therefore, black bean vinegar is not suitable for all people, nor can it be taken in large quantities for a long time. Proper drinking and taking can reduce blood pressure, lose weight and beautify the body.