More frequent urination at night may be caused by physiological factors, polyuria, inflammatory urinary frequency, neurogenic urinary frequency, reduced bladder capacity urinary frequency, periurethral lesions and so on. 1. Physiological factors: for example, drinking more drinks or water, mental stress, cold environment, can lead to increased urination, which is mostly normal. Reducing fluid intake, improving the environment and adjusting the mood can usually improve the situation of frequent urination. 2. Pathologic factors: (1) polyuria urinary frequency: the number of times of urination increased, and each time the volume of urine is not less, and the total volume of urine increased. See diabetes mellitus, uremia, etc. (2) Inflammatory urinary frequency: frequent urination and the amount of urine each time is small, mostly accompanied by urinary urgency, urinary pain, such as cystitis, urethritis, prostatitis, etc.. (3) Neurogenic urinary frequency: frequent urination and small amount of urine each time, mostly seen in central and peripheral neuropathy, such as hysteria, neurogenic bladder. (4) Reduced bladder capacity urinary frequency: such as bladder occupation, bladder tuberculosis, etc., manifested as persistent urinary frequency. (5) Periurethral lesions: urethral polyps, parurethral cysts, etc. irritation of the urethral orifice causing urinary frequency. More frequent urination at night can also be seen in other problems, it is recommended that patients go to the hospital in time, with the help of the doctor, according to the specific conditions of treatment.