There are more reasons for the formation of kidney stones, usually related to irrational medication, urinary tract infection, urinary tract obstruction and other factors. 1. Unreasonable use of medication: If you take large doses of glucocorticoid hormone drugs, or vitamins for a long time, it may cause kidney stones. These drugs are more toxic to the kidneys, drug residues in the kidney area, not timely removal, may lead to glomerular damage, thus causing proteinuria, easy to increase the risk of getting kidney stones. 2. Urinary tract infections: such as urethritis, cystitis, glomerulonephritis, pyelonephritis, etc., may cause kidney stones. It is mainly due to the occurrence of retrograde infection, if not timely sterilization and anti-infection, the stone will gradually increase, and will affect the function of the kidneys. 3. Urinary tract obstruction: when the urethra is obstructed, the ureters become narrow and cannot be excreted normally, which may increase uric acid crystals, thus causing kidney stones. If you suffer from kidney stones, you should be treated under the guidance of a professional physician to avoid delay.