1, beauty: black beans contain a variety of nutrients, can promote the body's metabolism, remove free radicals in the body, so as to reduce wrinkles, play the effect of beauty. Soak black beans with vinegar, the main purpose is to allow the human body to better absorb the anthocyanins in black beans.

2, relieve vision fatigue: black beans are rich in anthocyanins and carotenoids beneficial to the eyes, and the role of aged vinegar is to maximize the intake of these nutrients. Therefore, vinegar soaked black beans are good for relieving vision fatigue and preventing vision loss.

3, lower blood pressure, lower cholesterol: research has proved that the vinegar soaked black beans are also prone to long term sitting in the office people with high blood pressure, high cholesterol, shoulder pain, chronic fatigue, etc. also has a good effect of food.

4, improve constipation: black beans are rich in crude fiber, which helps promote digestion, thereby improving constipation.

5, plant protein allergy remember, people who are allergic to plant protein, must not eat.

6, low digestion: low gastrointestinal function, especially those who have a bad stomach, must not eat, because after eating will be bloated and indigestible, especially middle-aged and elderly people, stomach and intestines are generally not very good.

7, gout patients: generally speaking, gout patients and patients associated with acidic diseases are not recommended to eat.