The increase in nocturia in men is commonly due to physiological factors, mental factors, urinary system diseases, diabetes and other diseases. 1. Physiological factors: drinking more water before going to bed, eating more fruits with diuretic effect such as watermelon, pear. It will lead to an increase in the amount of urine, thus increasing at night. This situation is generally only temporary, through the control of diet, diet can be improved. 2. Mental factors: mental tension, anxiety, insomnia can also lead to frequent nocturia, need to make psychological adjustments. 3. Urological diseases: prostate hyperplasia, prostate cancer and other diseases are also common causes of increased nocturia, which need to be clarified through routine urinalysis, ultrasound, CT and other tests. 4. Diabetes: Diabetic patients due to elevated blood glucose can lead to osmotic diuresis, thus causing increased nocturia. Patients are often accompanied by excessive drinking, eating, weight loss, need to check blood sugar to clarify. Overall, there are many causes of increased nocturia in men, and it is necessary to go to the hospital and ask the doctor to check the patient’s medical history and comprehensive examination to clarify the cause of the disease and then carry out targeted treatment.