Many diseases can cause pain, but the pain caused by different sites and different diseases is different. Although pain is also one of the most typical symptoms of kidney stones, its pain characteristics are different.1. Site of pain: Kidney stone pain mostly occurs in the affected spinal rib angle, lumbar region or upper abdomen, and sometimes can radiate to the lower abdomen, root of thigh and perineum.2. Nature of pain: Depending on the location, size and degree of injury of the stone, it can be manifested as colic, dull pain, soreness, swelling, or The pain can be colic, dull pain, soreness, swelling, or hidden pain. When the stone is small and easily moves back and forth in the renal pelvis, once the rough surface of the stone is blocked to form an obstruction and cause fluid in the renal pelvis, it will produce severe pain or colic, at this time the patient is restless, restless, sweating profusely. The patient may even curl up, moan, shout, and turn pale, and some may also have diarrhea and vomiting. If a kidney stone is large, its movement in the limited space of the renal pelvis will be restricted, causing mostly dull pain, soreness, or vague pain; if the stone is large and fills the renal pelvis, it will appear as swelling pain; if the stone is stuck in the kidney and does not move, a few patients may not have any symptoms. When the kidney stone pain attack, the patient can have different degrees of blood in the urine.3. Duration of pain: mild pain is mostly manifested as regular dull pain or hidden pain, pain is not fixed; severe pain is mostly intermittent and recurrent, after the attack the pain can disappear completely as normal, the attack time is only a few minutes, some last for a few hours, also sustainability pain for a period of time. Activity-induced pain in patients can be aggravated by physical labor, strenuous activities, and bumps and bumps in boats.