Kidney stone 6mm is small, generally can be through the medication of lithotripsy, if the medication is ineffective lithotripsy can be through the extracorporeal shock wave lithotripsy. Kidney stones belong to the upper urinary tract stones, calcium oxalate stones are the most common, the clinical manifestations of pain and hematuria, the degree of the size of the stone, whether the activity and the presence of infection and so on. When the stone is infected, there can be bladder irritation signs such as urinary frequency and urgency. Pharmacologic lithotripsy can be considered when kidney stones are ≤6mm. In particular, uric acid stones can be treated with sodium bicarbonate to alkalize the urine, oral allopurinol and dietary modifications. At the same time, large amounts of water are needed to increase urine output. If drug treatment is ineffective, extracorporeal shock wave lithotripsy is feasible. If you find a kidney stone, you should go to the hospital in time to clarify the type of stone and follow the doctor’s instructions for treatment. The above drugs need to be used under the guidance of a professional physician, to avoid blind use of drugs, so as not to aggravate the condition.