What are the classifications of urinary stones? Urolithiasis is a urological disease, common disease, the vast majority of patients after treatment still have a high recurrence rate, the cause of urolithiasis is very complex, with the environment, diet, heredity, primary disease and many other factors. Clinical common calcium oxalate stones, magnesium ammonium phosphate stones, uric acid stones, cystine stones, apatite stones, mixed stones and so on. Different types of stones can be categorized according to metabolic abnormalities, composition of stones, and primary diseases.