Foamy urine for five or six years, but the urine routine is normal indicates that there is no pathological disease in the urinary system, may be daily drinking too little water and other physiological reasons caused by foamy urine. Foamy urine refers to the body in the process of urine discharge in the urine surface there are more foam and caused by the abnormal phenomenon. Foamy urine is caused by physiological reasons and pathological reasons. Pathologic causes mainly include high levels of urine protein or glucose. Physiologic causes may be excessive organic matter in the urine due to low water intake. Normal urinalysis results indicate that there is no obvious bleeding, inflammation or other symptoms in the urinary system, so pathologic causes can generally be ruled out. For the urine routine normal foam urine phenomenon, most of the daily drinking too little water led to too much organic matter in the urine and triggered the normal phenomenon, generally do not need special treatment, can be more water intake to gradually improve, but still recommend regular review. Foamy urine people should be regular regular hospitals, urine routine examination, in daily life in moderate amount of water.