Foamy urine usually disappears within five minutes and is considered a normal phenomenon. Foamy urine is very common in the clinic, the normal population after sleep due to the over-concentration of their own urine can produce foam, there may be some bacteria in the urine to produce bubbles caused by; but for these physiological foamy urine usually within five minutes can be disappeared. When the patient has a lot of foam in the urine, and the foam lasts for more than five minutes, more than the consideration of their own glomerular function has been damaged by the excessive loss of protein, caused by foam urine, you can let the patient go to the hospital for urine routine, urinary ultrasound and other tests, a clear diagnosis, symptomatic treatment, you can go to the nephrology department of the local hospital consulting clinic treatment.