Excessive urination may be caused by physiological factors such as excessive drinking and eating foods with high water content, or it may be caused by other factors such as diabetes mellitus, uremia, and aldosteronism. 1. Physiological factors: If you drink too much water or eat foods with high water content, such as popcorn, watermelon, etc., it will also lead to an increase in urine production in the body, and the body will appear to urinate more. 2. Diabetes: the cause of diabetes is not clear, and is considered to be related to heredity, autoimmune system defects and other factors. The patient will appear polyuria, drinking, eating, weight loss and other manifestations. 3. Uremia: Uremia is mainly caused by the insensitivity of kidney to argipressin or lack of argipressin. Patients will have symptoms such as large amount of urination, extreme thirst, and drinking a lot of water, so patients will have the manifestation of polyuria. 4. Other: patients with aldosteronism, hypercalcemia, chronic renal failure, acute renal failure and other diseases may also have symptoms of polyuria. In addition, chronic renal failure, acute renal failure and other diseases may also show symptoms of polyuria. Polyuria may occur during the polyuric phase of the recovery process. If the polyuria caused by physiological factors can be left untreated, for the polyuria caused by diseases need to consult a doctor in time and choose the appropriate measures for treatment under the doctor’s guidance.