I believe that many men have encountered or are experiencing pus discharge at the glans, stinging urine, difficult to talk about, because of privacy refused to seek medical attention, and do not know what to do, let us understand the common causes of such situations, as follows: 1, infection factors: the most common is the infection caused by glans circumcision and urethritis and other urinary tract infections. (1), glans, foreskin: inflammatory skin disease; bacteria, fungi, gonococcus, anaerobic bacteria and other infectious glans, foreskinitis; contact glans is due to poor hygiene habits on the penis stimulation, excessive use of detergents, etc.. All of the above can lead to glans, foreskin inflammatory infection causing glans to get wash secretions and stinging when urinating. (2), urethritis: there are mainly gonococcal urethritis and non-gonococcal urethritis. The main cause of gonococcal urethritis is the discharge of purulent discharge from the urethra, and in severe cases, frequent and painful urination; non-gonococcal urethritis is caused by Chlamydia, Mycoplasma, Candida albicans, and Pseudomonas, which has a higher incidence than gonococcal urethritis and takes the lead in sexually transmitted diseases. (3), acute prostatitis: acute inflammation of the prostate gland can also be manifested as a flow of pus urinary stinging get. (2), allergy: contact allergic reactions, such as drugs and cosmetics containing rubber and antiseptic can cause allergic contact dermatitis, contraceptive products. The male urethral discharge, urine stinging can not be ignored, if not timely treatment will affect the reproductive health, upstream infection of the urinary system in serious cases will also lead to sexual disorders, infertility serious impact on life, it is recommended that timely consultation, standardized treatment.