Prostate fluid leukocytes 4 plus, first of all consider the possibility of bacterial prostatitis, but also may be due to urethritis and so on, so need to further improve the examination, in order to clarify the diagnosis. 1. Bacterial prostatitis: the first consideration is bacterial prostatitis, prostate fluid examination in addition to white blood cells, there are lecithin microsomes reduced performance. The color ultrasound of the prostate, rectal examination and other auxiliary examination may also have abnormalities, such as prostate structural disorders, unclear boundaries, and so on. 2. Urethritis: because the prostate fluid is discharged through the urethra, if the patient has inflammation of the urethra, it can also lead to prostate fluid leukocytes 4 plus, but lecithin microsomes do not exist to reduce. At this time to do routine urinalysis can appear positive leukocytes, and so on. Prostate fluid leukocytes 4 plus may also be other reasons, it is recommended that the patient to go to the hospital, complete the auxiliary examination, in order to clarify the condition, and then by professional physicians to give treatment for the condition.