Kidney stones are upper urinary tract stones. Some patients have small stones or with the location of the stone does not have too serious impact on the kidney, such as large stones in the renal pelvis and calcium stones, and do not have obvious symptoms. The more obvious symptoms of kidney stones are pain and hematuria, the degree of which is often related to the location, size, activity and the presence of injury, infection, obstruction, etc. The more common symptoms of kidney stones are as follows: 1. pain: kidney stones can cause pain in the kidney area with percussion pain under the ribs, and some patients may have dull pain or colic in the kidney area after activity; 2. hematuria: most patients can see microscopic hematuria, and a few patients If there is no damage, there is no hematuria; 3. Bladder irritation symptoms: when patients have stone infection or stones reach the bladder wall, there may be bladder irritation symptoms such as urinary frequency, urinary urgency, urinary pain; 4. Because of the common innervation with the intestine, this leads to gastrointestinal symptoms such as nausea and vomiting, often accompanied by renal colic. In addition, kidney stones may also have symptoms such as urinary closure, pus urine, gravel discharge in urine, fever, edema, etc. Patients are advised to go to the urology department or nephrology department of a regular hospital promptly if the above symptoms occur, and improve the relevant examination for early treatment.