The yellow pus coming out of male urinary tract may be caused by gonorrheal urethritis or prepuce glans dolichocephalitis and other factors. 1. Gonococcal urethritis: men have unclean sex, may be infected with gonococcal urethritis, will lead to yellow pus in the urinary tract, accompanied by odor, there will be pain in urination, frequent urination, urinary urgency, etc., and in severe cases, may induce prostatitis, seminal vesiculitis and other infectious diseases of the reproductive system. 2. circumcision: male presence of the prepuce and the prepuce, do not pay attention to the hygiene of the lower body, induced by the circumcision glans, serious yellow pus outflow, it is mistaken for the urethra outflow of pus, accompanied by the glans itching, tingling, redness and other symptoms. Men with yellow pus from the urinary tract and other abnormalities, should be alert to disease factors, it is recommended to consult a doctor as soon as possible for examination and treatment.