Urine leukocytes 3+ is important. Urine leukocytes 3 + that is, suggests the presence of a larger number of white blood cells in the urine, most often seen in the genitourinary system adjacent organs or tissues of the disease, such as pyelonephritis, urethritis, cystitis and so on. It is recommended that the patient go to the local hospital as soon as possible. 1. Pyelonephritis: Pyelonephritis is often caused by bacterial infections, urine leukocytes may appear 3+, in addition to the abnormal laboratory test results, patients will also have fever, back pain, urinary frequency, urinary urgency and other symptoms, usually need to use antibiotics as soon as possible to treat. 2. Urethritis: bacterial infection caused by urethritis will also appear urine leukocytes 3 +, patients often appear urinary frequency, urinary urgency, urinary pain and other symptoms, patients can use metronidazole and other drugs for treatment. 3. Cystitis: E. coli infection caused by cystitis will also appear urine leukocytes 3 +, patients can also appear hematuria, pus urine, can use cephalosporins for treatment. It is recommended that the patient actively cooperate with the doctor, pay attention to vulvar hygiene, appropriate drinking water.