The foamy urine is clinically known as foamy urine, simple foamy urine is a normal phenomenon and will generally dissipate quickly, pathological foamy urine is common in kidney disease, diabetes and prostate disease, after the foamy urine need to do routine urine examination to clarify whether it is physiological or pathological factors and take treatment as soon as possible. A, physiological reasons tension, fear, excitement will make the urethral bulb gland secretion increase; male sex after the urethra will remain part of the semen; drink less water, sweating, etc. resulting in urine concentration, these situations may appear foam urine, generally do not need treatment, adjust mood, to ensure that the daily water intake can be. Second, pathological factors 1, kidney disease: in the presence of acute nephritis or chronic nephritis, the glomerular filtration barrier is damaged, there may also be foamy urine. For foamy urine caused by nephropathy need a low salt diet, minimize physical activity, and treat the primary nephropathy, if necessary, under the guidance of a doctor can use glucocorticoids; 2, diabetes: diabetic patients, if the urine contains glucose, or diabetes is poorly controlled, the disease progresses, when diabetic nephropathy occurs, the protein in the urine increases, foamy urine can appear. You need to follow up in time, actively cooperate with treatment, control blood sugar, follow medical advice oral hypoglycemic drugs or insulin injection; 3, prostate inflammation: patients with prostatitis produce more mucus secretions during excretion, the tension of the urine will be reduced, easy to appear foam urine, you can use broad-spectrum antibiotics for anti-inflammatory anti-infection, pay attention to warmth, avoid sedentary; 4, liver and biliary disease: bile, biliary tract disease, can lead to urine containing elevated bilirubin, will also appear foamy urine, the primary disease needs to be treated. If foamy urine occurs frequently, you should go to the hospital for examination, have a diet low in salt, potassium and purine, drink more water, and actively treat the cause of the disease.