It is advisable to go to the hospital for a relevant examination to clarify the possible causes: first, men are mostly considered to have prostatitis, at the beginning or at the end of urination, the urethra can secrete white viscous or clear-like urine, which can be accompanied by discomfort in urination or with pain and swelling in the perineal area, and requires ultrasound examination of the prostate and its prostatic fluid examination, as well as anal The first one is to check the prostate gland and its prostate fluid, as well as the anal examination to further exclude it. The second, sexually transmitted diseases, such as gonococcal infection or mycoplasma, chlamydia infection, can cause thin white or yellow discharge during urination, usually accompanied by pain during urination, burning in the urethra, urethral itching and other symptoms. It is often seen after unclean sexual contact and requires a relevant pathogenic test to confirm the diagnosis. Third, the infection of the urethra, resulting in local erosion, increased secretions, can be discharged with the urine, such as male circumcision, glansitis, women’s urethral meatus combined with infection or periurethral inflammation, etc..