Black beans have the effect of benefiting the essence and brightening the eyes (tonifying the essence and promoting the recovery of eyesight), nourishing the blood to dispel wind, diuresis, detoxification; wolfberry has the effect of nourishing the liver and kidney, benefiting the essence and brightening the eyes. Black beans, for Yin deficiency and thirst, dizziness, excessive sweating, kidney deficiency and lumbago, edema and urination, paralysis and pain, numbness of the hands and feet, medicine and food poisoning. Lycium barbarum is used for deficiency of essence, lumbar and knee pain, dizziness and tinnitus, impotence and spermatorrhea, internal heat and thirst (internal heat accompanied by more food, more drinking and more urination, etc.), blood deficiency and yellowing, and dizziness and uncertainty of the eyes. Caution should be exercised for those with spleen deficiency and loose stools (thin and unformed feces). If there is any discomfort, it is recommended to consult a doctor. If medication is needed, it should be identified by a doctor and the treatment should be standardized according to the doctor’s instructions.