Patients with kidney stones can eat soybean flower, but need to moderate intake, daily intake is less than 50mL below. Prolonged high intake, can increase the body’s oxalic acid and purine content, can lead to the original kidney stone volume further increase. Kidney stone patients, should be appropriate to reduce the consumption of soybean products, soybean products contain some purine, contains a certain amount of protein, contains oxalic acid components, after excessive intake, it may lead to stone incidence probability increases, or lead to the original stone volume increases. Kidney stone patients also need to drink more water, drink more water to prevent the concentration of urine, which can reduce the probability of stone disease, especially in the period of kidney stone treatment, need to drink more water, drink more than 2500mL of water per day. In the diet except a variety of soy products, but also need to reduce seafood products, animal offal, long-term large amounts of alcohol, as well as long-term consumption of food rich in oxalic acid is too high, such as spinach, lettuce, beets, chocolate, cocoa and all kinds of nuts and other substances.