Acute urethritis is an acute inflammation of the urethra caused by infection with pathogenic microorganisms, and the causes of acute urethritis vary by gender. 1, acute urethritis in men, patients often have a history of impure sex and acquire infections from pathogenic microorganisms during sex, which are sexually transmitted diseases, common pathogenic microorganisms are gonococcus, mycobacteria, chlamydia, mycoplasma, etc. 2, acute urethritis in women is more common The main reason for this is the fact that it is often occurring during the honeymoon period and after menopause, mainly related to the anatomical and physiological characteristics of women.