Stone composition analysis is a good helper to prevent stone recurrence: urinary stones (kidney stones, ureteral stones, bladder stones) are common and frequent diseases in urology. They can cause pain, hematuria, hydronephrosis, secondary infections and even malignant changes, so it is not too much to say that “small problems are dangerous”! In the past, stones were mainly treated by open surgery or extracorporeal shock wave lithotripsy, but nowadays, with the development of minimally invasive treatment techniques such as ureteroscopy, especially flexible mirrors, percutaneous nephroloscopy and stone treatment accessory devices (stone basket, blocker, holmium laser, etc.), stone treatment is moving in the direction of diversified development, with more accurate efficacy and much higher safety. At the same time, more attention is slowly being paid to the prevention of stones. The causes of stones are still unclear, but according to the chemical composition of stones, they can be divided into calcium oxalate stones, calcium phosphate stones, uric acid stones, magnesium phosphate stones and cystine stones. Stones of different compositions vary in their etiology, diagnosis and treatment. The composition of stones is an important guide to prevent recurrence of stones. Since the introduction of the stone composition analysis system in 2014, the patient only needs to provide a stone of the size of a grain of rice (which can come from stones discharged by themselves, stones removed by surgery, or stones discharged after extracorporeal shock wave lithotripsy), and the current advanced infrared spectroscopy automatic analysis system is used to carry out physicochemical analysis of stones, so as to clarify the composition of stones and then take relevant measures in a targeted manner, which can minimize and Prevention of stone occurrence.