The male urine foamy that is foamy urine, when the composition of urine changes, resulting in a decrease in the surface tension of urine, may cause the phenomenon of foamy, generally common in physiological factors and pathological factors, when the foamy urine need to do urine routine to further determine the cause, and then treatment. A, physiological factors 1, urethral secretions: men after ejaculation or seminal emission, because the urine will contain a certain amount of secretions, causing the tension of the urine to decrease, at this time may appear urine foamy situation; 2, urination is too urgent: after a long time to hold urine bladder is compressed, when urination, men often due to urination is too urgent plus a certain distance from the ground, by the impact of the impact, will appear urine foamy More than the situation; 3, urine concentration: when the body sweats a lot, it will cause a lot of water loss, urine concentration, may also appear more urine foam. Second, pathological factors 1, kidney disease: for patients affected by kidney disease, the presence of proteinuria, there is usually the phenomenon of urine foam, and can cause protein urine kidney disease is common in chronic nephritis, acute nephritis, nephrotic syndrome, diabetic nephropathy, etc., these diseases can cause the surface tension of urine to reduce, and then make urine foam; 2, urinary tract diseases: cystitis and urethritis can also appear foamy urine, because the invasion of bacteria and viruses, the metabolic products and inflammatory secretions produced can cause urine foamy. Urinary tract tumors can also appear as tissue proteinuria, resulting in frothy urine. 3. Other causes: In cases such as diabetes, hepatobiliary disease, retrograde ejaculation, and after sex, the presence of glucose, bilirubin or semen components in the urine can also make the urine frothy. If the foam in the urine can disappear in a short time, it belongs to simple type of foamy urine, which generally does not need treatment and will generally recover on its own after adjusting diet and rest. When the foam in the urine does not disappear for a long time, it may indicate a pathological condition, and in this case, further consultation is needed to clarify the cause and then treat it symptomatically.