The disappearance of foam in men’s urine for ten minutes is usually an abnormality. Occasional disappearance of foam in urine for too long in some patients may be normal, but it is less common and needs to be examined and diagnosed. Usually, there are a large number of metabolites in urine, and foam of varying sizes will form after urination, which usually disappears in 10 seconds and is normal. The foam in urine that does not disappear for a long time is mostly seen in patients with nephritis, whose urine has a large amount of foam due to high protein content, which often disappears slowly in about 20 seconds. In addition, diabetic patients because of high urine sugar inside the urine, there will also be foam, usually disappears in about 15 seconds. Therefore, the disappearance of foam in men’s urine in 10 minutes is usually an abnormal phenomenon. However, individual patients may have recently consumed too much protein and other foods, or rest disorders and other factors, can lead to a transient foam in the urine does not disappear for a long time, generally do not worry too much, pay attention to adjust the daily routine can be. Patients should visit the urology department or endocrinology department of a regular hospital to clarify the specific cause and carry out relevant treatment under the guidance of a doctor.