Kidney stone patients can eat buckwheat noodles, buckwheat is made of coarse grains, which are rich in vitamins and fiber, low calories, to accelerate the gastrointestinal tract peristalsis as well as the protection of the kidney is very helpful. The formation of kidney stones is due to oxalate, calcium and other components, precipitated from the urine and gathered in the kidney formation, for high sugar, egg products, soy products, high-fat food to eat in moderation, otherwise it may lead to the formation of stones or increase the size of stones. Patients with kidney stones can eat buckwheat noodles and other foods containing vitamins and high fiber, which have a certain diuretic effect and can increase the volume of urine, which can maintain the health of the urinary system, but also small stones can be discharged. Drink more water in daily life, more urination, once the stone diameter of 7mm or more, timely treatment through extracorporeal shock wave lithotripsy method, so as not to cause a series of physical discomfort symptoms.