The commonly used clinical stone-discharging drugs are mainly for urinary stones and stones in the hepatobiliary system. Different systems may have different symptoms after taking oral lithotripsy drugs: I. Urinary stones. Through oral lithotripsy drugs, it is possible to make large stones into small stones, excreted out of the body with the urine, the patient may have blood in the urine, painful urination and other symptoms. After the stones are completely excreted, the above symptoms may subside completely, or the stones may be in the process of excretion, stuck in the ureter can not be discharged and cause spasmodic pain in the ureter, or even ureteral dilatation, pyelonephrosis and other symptoms. Second, stones in the hepatobiliary system. For sediment-like gallbladder stones, oral lithotripsy drugs may indeed cause the stones to be excreted into the intestines, thus eliminating gallbladder stones. But for the granular gallstones may not be able to completely excretion, because the diameter of the end of the common bile duct is only 3mm, once the stone is larger than 3mm oral diarrhea drugs, it is likely that the patient’s gallstones into the bile duct and can not continue to discharge, the formation of choledocholithiasis caused by the patient’s skin sclerosclerosis yellow staining, acute abdominal pain, acute pancreatitis, acute obstructive purulent cholangitis symptoms.