Kidney stone fragmentation, can appear after the symptoms of blood in the urine, and the process of stone fragmentation and mucous membrane excessive friction caused by mucous membrane bleeding, may also be repeated stone fragmentation, resulting in a slight contusion of the kidneys, which can also result in the presence of hematuria. It is recommended that if there is hematuria, it is recommended to drink more water and urinate more. If the patient has nausea, vomiting can not drink, then need to go to the hospital for intravenous infusion, to infuse a certain amount of glucose or saline to increase the circulation of body fluids, to produce more urine. Avoid bleeding that may lead to the formation of hematoma in the urinary system or the formation of infection in the urinary system, etc. Generally speaking, hematuria can be dissipated within a short period of time after lithotripsy treatment. If the bleeding worsens or lasts for a longer period of time, it is necessary to go to the hospital for examination to prevent more serious renal contusion that may lead to persistent bleeding, and after the completion of kidney stone crushing, it is also necessary to check the situation of stone discharge regularly.