The normal range of urine leukocytes is 0~5/HP. A small number of leukocytes may be present in normal urine, usually less than 5/HP in centrifuged urine per high power microscopic field of view (HP).If the leukocytes in urine are greater than 5/HP it is suggestive of the presence of urinary tract infectious diseases, including pyelonephritis, cystitis, urethritis and so on, and can also be seen in vaginitis, cervicitis and so on. It can also be seen in vaginitis, cervicitis, etc. It can also be seen in patients with interstitial nephritis. When urine routine examination, women need to avoid menstruation, clean the vulva in advance, and take clean mid-range urine for examination to reduce sample contamination. If the patient found that the urine routine white blood cells are elevated, it is recommended to go to the regular hospital in a timely manner, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.