In general, there is very little discharge from the urethra. If there is white discharge from the urethra, there are two reasons to consider, one is physiological and one is pathological. 1, physiological reasons: at the end of male urination, due to the squeezing of the urethra to discharge the residual urine, the prostate gland is also squeezed and a small amount of prostate fluid or urethral bulb gland fluid will be discharged. In this case there is a small amount of secretion around the urethral orifice. 2. The pathological cause is pus urine. It may be a urinary tract infection, glomerulonephritis or ureteral calculus. (1) Urinary tract infection, first of all, we should test the urine routine, culture the discharge to determine whether it is a bacterial infection, and then actively use antibiotic drugs. (2) Glomerulonephritis may also be accompanied by edema and proteinuria, which are usually treated with glucocorticoids. (3) Ureteral stones can be clearly diagnosed by ureteral ultrasonography and can have sudden onset of radiological colic, and the stones can be expelled by drinking more water and exercising more. In addition, STDs with gonococcal infection will have yellow discharge. For white discharge from the urethra to pathological causes are common, so it is important to go to the hospital for systematic examination as early as possible to avoid delaying the disease.