The pain of kidney stones does not have an exact pattern, it can be manifested as several episodes of pain in a day, or no pain may occur. Kidney stone patients in the activities, the stone may move, or due to urinary tract infection and other factors cause stimulation of the surrounding tissues, will repeatedly cause pain, mainly manifested in the lumbar and abdominal pain, and even the pain hair recurrent episodes, several times a day. If the location of the kidney stone is relatively fixed, there is no significant activity, and does not cause hydronephrosis, urinary tract infection, etc., there may not be any discomfort. Clinically, there are many patients are found in the physical examination of the kidney stone, and there is no pain. If you suffer from kidney stones, you should seek medical treatment as soon as possible for examination, to clarify the location and size of the stones, and to carry out timely treatment for stone removal to avoid causing serious complications.