Ureteral stone without pain is not necessarily out, it may be that the stone has fallen into the bladder, it may also be that the stone is still in the ureter, but the stone is relatively stable, not mobile or embedded, temporary painless, and later can also appear pain. 1. Stones into the bladder: for patients with ureteral stones, can cause severe abdominal pain, after giving a lot of water, exercise or scopolamine and other relaxation of the ureteral drugs, some patients ureteral stones can fall into the bladder, the pain caused by ureteral stones can disappear, but not out of the body. 2. The stone is still in the ureter: there are three physiological narrowing of the ureter, when the stone in the narrow part of the incarceration can cause severe pain, and if out of the narrow part of the ureter into a relatively loose section of the ureter, and there is no obvious movement, the patient may not be in pain, so the stone is not discharged. It is recommended that patients go to the hospital to do ultrasound, CT and other imaging tests of the urinary system, to clarify the location of the stone, if necessary, need to be treated by a professional physician.