Ureteral stone diameter 0.9 centimeters, the stone is relatively large, can not be discharged by themselves, you can first take medication conservative treatment. If the medication is not effective, you can consider extracorporeal lithotripsy or surgery. If the ureteral stone diameter 0.9 cm, the possibility of their own discharge is unlikely, should be under the guidance of a professional doctor to take medication, such as lithotripsy granules, etc., to promote the discharge of the stone out of the body. If you have a urinary tract infection, you should also take non-steroidal antipyretic and anti-inflammatory drugs, such as aspirin and ibuprofen. If the medication is not effective after a period of time, you can choose extracorporeal lithotripsy, such as extracorporeal shock wave lithotripsy, or surgical treatment, such as holmium laser lithotripsy of ureteroscopy, to crush the stone and then discharged out of the body, in combination with the professional doctor’s opinion of treatment. If the diameter of ureteral stone is 0.9 cm, it is recommended to actively cooperate with professional doctors to take effective treatment measures. Normally, you should drink more water and do more exercise to help the stones to be discharged from the body.