1. Introduction Urinary stones have always been clinically important. A person’s lifetime risk of developing stones is between 5-10%. The incidence is higher in men than in women, with a ratio of about 3:1, and the peak age of onset is 40-50 years. Any type of stone may recur, and recurrent stones are common in clinical practice and are the focus of treatment and prevention. 2.Classification of stone patients Based on the chemical composition of stones and the severity of the disease, we can categorize stone patients into different types. 3.Risk factors for stone formation Due to the existence of some special risk factors, some patients need special attention.