Urinary stones of 1.1 centimeters are generally difficult to expel on their own. Generally less than 0.6 cm of kidney stones or ureteral stones are likely to be discharged on their own, mainly because the diameter of the ureter is about 0.6 cm or so, of course, for the presence of ureteral stenosis, ureteral deformity, stone embedded in a long time is not easy to be discharged. For the 1.1 cm stone, the diameter exceeds the diameter of the ureter, usually can not be expelled from the body. For 1.1 cm stones, it is recommended to go to the hospital to receive the correct treatment, through extracorporeal shock wave lithotripsy or transureteral ureteroscopy lithotripsy lithotripsy and extraction of minimally invasive surgical methods, the stone will be broken and then discharged, depending on the location, shape, number of stones and other factors. In the case of 1.1 centimeter stones, you should follow the doctor’s instructions to choose the correct method of treatment, and it is not recommended to blindly wait for self-discharge.