How to prevent the recurrence of urolithiasis? As with many diseases, prevention is also very important in urolithiasis. After treatment of urolithiasis patients, the factors that formed the stones are not resolved, and if preventive measures are not taken, the stones may recur. According to statistics, the recurrence rate of calcium oxalate kidney stones is 10% in 1 year, 35% in 5 years and 50% in 10 years. Therefore, great attention should be paid to the prevention of urolithiasis. The main measures to prevent recurrence of urolithiasis are: (1) To develop appropriate preventive measures according to the results of the analysis of urinary stone composition, so as to be able to achieve the target. (2) For pediatric bladder stones, the main issue is to increase nutrition (dairy products). Here we particularly emphasize the importance of breastfeeding. (3) Drink plenty of water: drinking more water is the easiest and most effective way to prevent stones. Increasing the volume of urine by 50% can reduce the incidence of urinary stones by 86%. For patients with urolithiasis, it is important to keep the daily urine volume at 2000-3000 ml, and to drink water evenly. Especially 3 hours after meal is the peak of excretion, it is more important to keep enough urine volume. (4) Patients with urolithiasis should limit excess nutrition according to caloric needs, and animal protein intake should be moderate, keeping the daily intake of protein at 75-90 grams. Control the intake of refined table sugar, and when cooking spinach and other vegetables rich in oxalic acid, it is best to nourish water before processing and eating. (5) Treatment of diseases that cause stone formation, such as: urinary tract obstruction, urinary tract infection, prostate hypertrophy, etc. (6) Drugs: According to the abnormal metabolism in the body, some drugs such as thiazide, allopurinol, orthophosphate, etc. can be taken orally. (7) Regular review. It is recommended to do physical examination at least once a year to understand the whole urinary system to achieve early detection and early treatment. It is especially important for those who have a history of stone disease.