Men who urinate too much at night may be caused by physiological factors such as drinking too much water before going to bed and being too nervous at night. It may also be caused by prostatitis, cystitis and other diseases. 1. Physiological factors: (1) drinking too much water before going to bed: after drinking water, water through the body metabolism will be discharged through the urinary system, which is a normal physiological phenomenon, no need for special treatment. (2) mental tension: the process of mental tension in the human body will lead to sympathetic nerve excitation, resulting in frequent urination, panic, dizziness and other symptoms. 2. Pathological factors: (1) Prostatitis: If you are usually sedentary, often eat spicy and stimulating food, and your private parts are not cleaned properly, prostatitis may be induced. Patients may be accompanied by symptoms such as painful urination, poor urination, and elevated body temperature. (2) Cystitis: Cystitis can be triggered by infrequent cleansing of private parts, poor hygiene habits, or diseases such as bladder stones or enlarged prostate. Patients may be accompanied by lower abdominal pain, burning sensation in the urethra and other symptoms. Male nocturia may also be caused by other factors, it is recommended that patients reduce the amount of water before going to bed, do a good job of private hygiene care, and if necessary, go to the regular hospital in time for treatment.