Kidney stone precautions and diet, kidney stone patients diet should usually pay attention to: 1, drink more water, the formation of stones is related to the supersaturation of crystals in the urine, so in more water can dilute the urine, so that the solute more evenly diluted in the urine, to promote the discharge, more water is very important for the prevention of stones. 2, most kidney stones are composed of calcium and oxalate, as dairy products are rich in Calcium, doctors used to advise patients with kidney stones to consume less of these foods. However, recent studies have shown that consuming dairy products can actually reduce the risk of kidney stones because the calcium in them helps the body to remove other substances that tend to form stones, but it is still advisable not to overdo the calcium supplementation.3. Vitamin A is necessary to maintain the overall health of the urinary tract, and in addition, vitamin B6 can prevent stone formation by reducing the level of oxalates in the blood. The main foods to avoid for kidney stone patients include oxalates, such as beets, chocolate, coffee, cola, nuts, etc. Meat and certain fish may accelerate the production of uric acid and calcium in the urine, which can lead to stone formation, and foods with high purine content also tend to promote stone formation.