1. Soaking black beans with vinegar is a golden prescription for treating kidney deficiency in traditional Chinese medicine. Soaking black beans in vinegar has the effects of beautifying, losing weight, tonifying kidney, improving eyesight and blackening hair, and can effectively improve constipation, hypertension, hyperlipidemia, backache and leg pain, diabetes, prostate disease, gray hair, coronary heart disease, decreased vision, eye pain, dryness, dizziness, headache and other symptoms caused by long-term watching computer and TV.

2. At the same time, soaking black beans in vinegar has a good effect on improving myopia and other eye diseases.

Soaking black beans with vinegar is a health preserving method. Black beans are traditional health food. The proverb "If you want to live a long life, you should always eat black beans" is still circulating among the people, and together with Qiongzhen Ganoderma lucidum and Dendrobium candidum, it has become the three treasures of health care.