The total night urination may be caused by physiological factors, prostate hyperplasia, overactive bladder, diabetes and other factors. 1. Physiological factors: drinking a lot of water before going to bed at night or psychological overstress may lead to frequent urination at night, which belongs to physiological factors and should be adjusted to the amount of water consumed before going to bed and improve the psychological state, which can be recovered on its own. 2. Prostatic hyperplasia: men with prostatic hyperplasia, the enlarged gland may compress the urethra, leading to urinary difficulties, which will be manifested in frequent urination at night, accompanied by urinary weakness, and in severe cases, can cause urinary retention. 3. Overactive bladder disease: it may be related to autonomic dysfunction, estrogen deficiency and other factors, which will lead to poor stability of the bladder, which may contract frequently, then frequent urination at night, and incontinence may occur in severe cases. 4. Diabetes mellitus: It may be related to heredity and poor lifestyle and dietary habits, leading to abnormal blood glucose in the body, which will lead to frequent urination, and may be accompanied by fatigue and excessive drinking and other related symptoms. After eliminating physiological factors, it is recommended to seek medical examination and treatment.