The male lower body discharge yellow foreign body consider is gonorrhea urethritis, foreskin glans, prostatitis and other diseases caused. 1. Gonococcal urethritis: Gonococcal urethritis is mainly caused by gonococcal infection, and the main symptoms of patients are urethral urethral redness and swelling, urethral discharge of purulent secretions, urinary frequency, urinary pain and so on. When men suffer from this disease, the urethral secretion can be changed from thin mucus to a large amount of yellow purulent secretion, which is manifested in the discharge of yellow foreign matter from the lower body. 2. Gluteitis: gluteitis is related to pathogen infection, alkaline substance stimulation, allergic reaction, etc., while long foreskin and low immune function are the triggering factors. Patients to the glans area redness, erythema, skin mucous membrane erosion or ulceration as the typical symptoms, but also easily accompanied by pain during urination, local oozing, bleeding, and so on, thus manifested in the lower body discharge yellow foreign body. 3. Prostatitis: Prostatitis can also cause some men to discharge a yellowish foreign body, but also easily accompanied by fever, chills, body fatigue, pelvic region pain, frequent urination, painful urination, sexual dysfunction and other symptoms. Prostatitis in men is mainly associated with pathogen infection, irregular sexual life, sedentary and so on. It is recommended that men who discharge yellow foreign bodies in the lower body should seek medical examination and follow the doctor’s instructions after clarifying the cause of the disease, and should not use drugs indiscriminately on their own.