After urinating and wanting to urinate again, there is always a desire to urinate down there that is frequent urination, which may be caused by physiological factors, polyuria, inflammatory urinary frequency, neurogenic urinary frequency, reduced bladder capacity urinary frequency, periurethral lesions and other reasons. 1. Physiological factors: for example, more drinks or water in the afternoon, mental stress, cold environment, can lead to increased urination, mostly normal phenomenon. Reduce the intake of liquid, improve the environment, adjust the mood, usually can improve the situation of frequent urination. 2. Pathologic factors: (1) polyuria urinary frequency: increased urination, and each time the urine volume is not less, and the total urine volume increases. 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, paraurethral cysts, etc. irritate the urethral opening causing frequent urination. If you have the symptom of wanting to urinate again after urinating and always have the urge to urinate down there, it is recommended to consult a doctor in time.