1, drink more water, recommended daily fluid intake of 2.5 ~ 3.0 L or more, avoid excessive caffeine, black tea, grape juice and cola, recommended to drink more orange juice, sour fruit juice and lemonade. 2.Patients can adjust their diet according to the analysis of stone composition. Patients with calcium oxalate stones, especially those with hyperoxaluria, should avoid foods such as spinach, almonds, peanuts, parsley and black tea. Spinach has the highest content of oxalic acid. Patients with recurrent calcium oxalate stones should avoid high doses of vitamin C. Uric acid stones should be limited by restricting a high-purine diet (such as animal offal) and alkalizing the urine. Do not take too much vitamin D. Reduce protein intake, including meat, fish and chicken; reduce salt intake and eat less of all kinds of foods high in salt. Potassium citrate has been used as a single agent for the treatment of distal renal tubular acidosis, low citrate urine calcium oxalate stones and uric acid stones with or without calcium-containing stones for over 20 years, and has been effective in preventing and treating all types of stones in the urinary tract.