Urine leukocytes (+-), indicating the presence of a small number of leukocytes in the urine, the test results for urine leukocytes weak positive, may be contaminated urine specimen, urinary tract infection, interstitial nephritis and other factors. Under normal circumstances, urine leukocytes usually <5/HP, routine urine examination, urine specimens are contaminated, may lead to abnormal test results, may appear urine leukocytes weak positive results, but usually no other clinical manifestations, repeat urine routine, may return to normal. When suffering from urinary tract infections, such as urethritis or cystitis, can make the presence of leukocytes in the urine, in the urine routine test, there will be urine leukocytes weak positive results, may also be accompanied by pain in urination, urinary frequency, urinary urgency and other symptoms. Interstitial nephritis, generally common in the special use of drugs after the renal function is impaired, can be manifested in urine leukocytes positive, proteinuria, blood creatinine increased and so on, renal puncture biopsy can be a clear diagnosis. Urine leukocyte abnormalities, it is recommended that the regular hospital consultation, standardized treatment under the guidance of physicians.