Small stones in the urinary system can also cause symptoms of blood in the urine, can also cause low back pain or abdominal pain symptoms, these are in the process of stone discharge led to the urinary tract mucous membrane rupture and lead to bleeding, these factors are related to the stone in the process of discharge, the mucous membrane rupture combined with the infection, then there can be symptoms of blood in the urine, but still need to go to the hospital for further examination, to rule out the other factors leading to bleeding, such as the presence of tumors combined with the presence of stones, then there can also be symptoms of blood in the urine. Bleeding, such as the presence of urinary tract tumors combined with stones, can also appear blood in the urine. If it is determined that there are only small kidney stones, it is recommended to drink more water and urinate more, as long as there is no persistent bleeding, clinical observation can be continued, and after drinking more water, the hematuria can be improved to different degrees. If the examination is combined with infection, then it is necessary to take oral anti-infective drugs, together with more water, more urination, or auxiliary lithotripsy drugs to promote the discharge of stones, infection control, stone discharge, hematuria can be stopped.