Urinary tract infection, the number of leukocytes is elevated after infection, the mucous membrane of the urinary system epithelium is congested, stasis, erosion and other changes, there will also be an increase in the number of red blood cells, mostly accompanied by urinary frequency, urinary urgency, painful urination and other symptoms of urinary tract irritation, need to carry out urine culture examination to confirm the diagnosis. 2, urinary stones, with stones caused by the urinary system mucosa local The symptoms are accompanied by low back pain, abdominal pain, urinary frequency, urinary urgency, etc. Ultrasound examination of the urinary system is needed to further differentiate. 3. Tumors of the urethra can also appear elevated red blood cells and white blood cells, mainly elevated red blood cells, because the tumor causes bleeding, so the urine contains more red blood cells, combined with infection can It is necessary to conduct ultrasound examination of urinary system.