Kidney deficiency can't control water, and water is too wet. This soup can tonify kidney and benefit water. Among them, black beans enter the kidney, taste sweet and flat, and have the functions of diuresis, blood circulation and kidney benefit. It is rich in protein, fat, sugar, carrots, vitamins (B1, B2), nicotinic acid, isoflavones, saponins and choline. Compendium of Materia Medica says it can: "Treat kidney disease and benefit underwater qi." Carp tastes sweet and flat, and has the function of promoting diuresis and reducing swelling. "Food Materia Medica Reference" says that it can "eliminate edema, jaundice and beriberi." It is reported that the treatment of chronic nephritis edema with carp, tea and vinegar has obvious diuretic and detumescence effects. Ginger can disperse moisture and be used as soup, which can tonify kidney deficiency and remove dampness.
Note
If kidney deficiency is cold, black beans can be fried before use.