I believe that this is a problem that many people want to know, because only a deep understanding of the hazards of the disease, to be able to more correctly understand the disease, active prevention and treatment, the following we understand the kidney stone disease what are the hazards: 1, obstruction: kidney stones into the ureteral stenosis part, can cause partial or complete obstruction, resulting in urinary tract water, and even the expansion of the renal pelvis, and cause pain, urinary difficulties, urination suddenly interruption, urinary closure and other symptoms. 2, lumbar and abdominal pain: about half of the patients who have kidney stones for a long time will have lumbar and abdominal pain. The lighter ones are hidden pain, swelling, dull pain and other symptoms; the heavier ones are severe paroxysmal intermittent colic, some like knife-like pain, mostly accompanied by radiation to the ipsilateral groin and perineum, a few patients have reflex pain on the healthy side at the same time, the pain is lighter than the affected side. When the pain is severe, the patient often moans and groans, tosses and turns, nausea and vomiting, pale face, sweating profusely, blood pressure drops, and is in a state of deficiency or shock. In a few patients, the pain can be relieved on its own after a few hours, but most people need antispasmodic and pain relief to stop. If the stone falls into the bladder, in addition to pain, there will be symptoms of stone irritation such as urinary urgency and frequency. 3.Hematuria: Hematuria mostly appears after various physical activities. Hematuria is divided into naked eye hematuria, which means the urine can be observed as red with the naked eye; and microscopic hematuria, which means the color change cannot be seen with the naked eye and only the red cells in the urine can be observed through the microscope. Therefore, when a gout patient finds more red blood cells under the microscope during the urine test, it is important to check whether stones are present. The above article you should understand the danger of kidney stones, since we know the seriousness of kidney stones, I hope we must pay attention to prevention, life to develop good living and eating habits to avoid the disease, may everyone have a healthy body.