Patients with kidney stones can ingest foods such as yogurt or milk, which are mainly liquid components, although the calcium content in milk is relatively high. Therefore, after ingesting these dairy products, one should keep drinking enough water to have no risk of aggravating the progression of urinary stones. For urinary stones, the main component is calcium-containing stones, but some stones are caused by abnormal human metabolic factors, such as cystine stones or urate stones, so not all stones, the intake of calcium components is strictly limited, and the specific composition of stones should be analyzed according to the specific composition of stones after discharge, and then a targeted diet should be chosen for prevention. For patients with urinary stones, no matter what kind of diet, the most important thing is to ensure that they drink a lot of water, maintaining 2000-2500ml of water per day, usually the incidence of stones will be significantly reduced.