Disease analysis: Hello, it is beneficial, and black beans are effective for tonifying kidney. According to the theory of traditional Chinese medicine, beans are the valley of kidney, black belongs to water, and water belongs to kidney, so it is beneficial for people with kidney deficiency to eat black beans. Black beans have beauty beauty effect on women. Black beans are rich in vitamins, among which E and B vitamins are the highest, and the content of vitamin E is 5~7 times higher than that of meat. As we all know, vitamin E is a very important substance to keep young and healthy. Although the ancients in China didn't know that black beans contained more vitamin E, they knew from practice that it was a beauty food. For example, the ancient Pharmacopoeia records that black beans can beautify, improve eyesight, blacken hair and make skin white and tender. Black soybean skin is black and contains anthocyanins, which is a good source of antioxidants, and can scavenge free radicals in the body, especially in the acidic environment of the stomach, with good antioxidant effect, beauty and health care, and increase gastrointestinal peristalsis. Black beans are rich in vitamins E and VE, and are also antioxidants, which can remove free radicals in the body, reduce skin wrinkles and keep young and fit. The crude fiber content in black beans is as high as 4%. Eating black beans regularly can provide crude fiber in food, promote digestion and prevent constipation. The efficacy of black beans was recorded in Compendium of Materia Medica by Li Shizhen in Ming Dynasty. Eating black beans often can prevent diseases. Black beans can nourish liver and kidney, and the health of liver and kidney is of great help to improve vision. Our family is often jealous of soaking black beans. Because aged vinegar can promote the dissolution of nutrients in black beans. Helps to absorb nutrients effectively. Efficacy: Soaking black beans in vinegar can not only help to inhibit vision loss, but also effectively treat chronic fatigue, salty diseases, scapulohumeral periarthritis, hypertension and high cholesterol. Black beans soaked in vinegar can be eaten on the same day and stored in the refrigerator for half a year. If you don't like the sour taste of vinegar, you can add some honey. I hope the above information is helpful to you and I wish you health.