Ureteral flexible mirror lithotripsy after pain immediately go to the hospital to find a doctor, will be carried out imaging examination, and pain relief, dilation of the ureter, anti-inflammatory, promote urination and other treatments. 1. Pain relief: In the case of clear exclusion of other diseases, patients can be given painkillers for pain relief. Commonly used painkillers include ibuprofen, diclofenac, indomethacin and so on. If the above drugs are not effective, Dulcolax can be used to relieve pain. 2. Dilating the ureter: after ureteroscopy, large stones are broken into small pieces and obstructed in the ureter. The use of drugs to dilate the ureter can facilitate the discharge of stones. Commonly used drugs to expand the ureter are progesterone injection, scopolamine hydrochloride and so on. 3. Anti-inflammatory: stone activity in the ureter can cause mucosal damage, can cause mucosal infection. At this time, antibiotics need to be used to prevent infection. Commonly used drugs are ceftriaxone, levofloxacin and so on. 4. Promote urination: Encourage the patient to drink more water, change the body position diligently, and discharge the stones with the help of urine flushing. Other treatment modalities are examined by the doctor for timely treatment, please consult the doctor immediately if you have symptoms. Drugs should be applied under the guidance of a doctor.