Prevention advice: Lithotripsy of uric acid stones is ideal, with a success rate of nearly 80% to 90%. The 10-year recurrence rate of uric acid stones is about 50-65%. Prevention by strictly following measures is very effective to control their recurrence. (1) Drink a lot of water: drink at least 2000ml (equivalent to a warm bottle) of water daily to ensure that the daily urine volume of 2000ml or more; (2) moderate exercise: conducive to the discharge of tiny stones, but should prevent excessive exercise resulting in dehydration caused by urine concentration; (3) weight control: obesity is prone to stone formation, obese people should reduce their weight; (4) limit the consumption of purine: purine is the precursor material of uric acid, therefore (5) Preferred foods: It is advisable to eat low purine foods, such as rice, noodles, eggs, milk, vegetables, fruits, etc.; (6) Alkalinize urine: uric acid stones are easily formed in acidic urine, alkalinizing urine is good for stones to dissolve by themselves. (7) strict abstinence from alcohol: alcohol can increase urinary lactic acid excretion and cause urinary acidification, in addition, drinking beer can produce a large amount of uric acid in the urine, which will lead to the recurrence of stones; (8) regular physical examination: every six months should be routinely re-examined urinary ultrasound, blood uric acid and uric acid.