1, eat more black fungus can dissolve kidney stones: black fungus on the unintentionally ingested indigestible hair, hulls, wood residue, sand, metal shavings and other foreign objects with dissolving and oxidizing effect. In order to prevent and treat a variety of foreign bodies caused by gastrointestinal discomfort or disease, may wish to eat some black fungus, especially engaged in barbering, mining, dust, sawing, repair, road guards and other operations should be more often eat some black fungus. Black fungus on gallstones, kidney stones, bladder stones, fecal stones and other endogenous foreign bodies also have a more significant dissolution function. Black fungus contains fermentation and plant alkali, with the promotion of the digestive tract and urinary tract various glands secretion properties, and synergize these secretions catalyze the stone, lubricate the pipeline, so that the stone discharged. 2, supplemental vitamin A Vitamin A is to maintain the health of the lining of the urinary tract is necessary for the substance, it also helps to impede the recurrence of the stone. Vitamin A-rich food is the highest carrots, followed by patients can eat more food every day: green cauliflower, apricot fruit, parsnips, pumpkin, beef liver, carrots, green cauliflower, parsnips, fenugreek, beef liver, but a high dose of vitamin A is poisonous, it is best to consult an expert before taking. 3, drink more water: water can dilute the urine, and to prevent the high concentration of salts and minerals to accumulate into the stone. Experts suggest that vitamin C is an enzyme cofactor, and collagen synthesis, wound healing, vascular fragility; vitamin C also has the role of antioxidant, promote iron absorption and improve immune function. The recommended daily intake for adults is 100 milligrams, and the maximum tolerable intake is 1,000 milligrams. Vitamin C supplementation, as long as the daily intake of 1000 mg or less, is not prone to kidney stones.