There are no white blood cells in the sperm, there should be white blood cells in the semen. An increase in the number of white blood cells in the semen may indicate the presence of an infection. If the number of leukocytes in the semen is small, it is normal, about 1 million leukocytes in a milliliter of semen. The function of white blood cells is to foretell their own diseases. If the number of white blood cells is greater than normal, it suggests the presence of an infection, such as prostatitis, seminal vesiculitis, orchitis, epididymitis, and so on. Different pathogens can cause leukocytosis, including bacterial, viral, mycobacterial, mycoplasma, chlamydial, trichomonas, spirochete and other infections are possible. If the semen found in the time of disease-causing microorganisms can be treated with drugs, can be under the guidance of the doctor oral erythromycin enteric-coated tablets, levofloxacin, cefaclor delayed-release tablets, fosfomycin aminoglutethimide powder and other drugs can alleviate the state of infection. The appearance of leukocytosis must be timely consultation.