Urinary polyuria, frequent urination has many reasons, various, urinary tract infection will lead to urinary polyuria, frequent urination, at the same time, diabetic patients will also appear urinary polyuria, frequent urination, and prostate hyperplasia patients will also appear urinary polyuria, frequent urination. The cause of urinary polyuria, frequent urination is complex, can not be diagnosed because of urinary polyuria, frequent urination on the diagnosis of disease, the specific suffering from what disease but also through the different symptoms, different age groups, through the laboratory tests to diagnose in the end what causes urinary polyuria, frequent urination. If it is inflammation caused by excessive urination, frequent urination, you need to take oral anti-inflammatory drugs, if it is caused by prostate hyperplasia caused by excessive urination, frequent urination, you need to improve the urination symptoms of the drug. If it is diabetes caused by excessive urination, frequent urination, you need to use blood sugar control drugs. So there is no specific answer to the question of what is the cause of excessive urination and frequent urination, but only to analyze different results in different cases.