The cause of urine foam should be divided into physiological or pathological, physiological is mostly seen in a large number of sweating, drinking less water caused by the increase in urine foam, you can measure a urine specific gravity or urine osmolality can be understood. Pathological causes: 1, proteinuria, mainly seen in glomerulonephritis or diabetic nephropathy, hypertensive nephropathy caused by increased urinary protein, the patient may appear increased urine foam; 2, increased blood glucose, high blood sugar is also prone to cause increased urinary foam, is due to the high blood glucose is easy to lead to the survival of microorganisms, protein increases are also prone to the occurrence of urinary foam; 3, electrolyte disorders, liver and kidney dysfunction may also be Foamy urine may also occur when electrolyte disorders, liver and kidney dysfunction occur. In short, the occurrence of urine foam should pay attention to check the urine routine, biochemistry, liver and kidney function, electrolytes, and promptly find out the cause of increased foam and give symptomatic treatment.