Just after urinating immediately want to urinate again indicates the existence of urinary frequency, urinary incomplete, may be mental urinary frequency, acute urinary tract infection disease, acute prostatitis, overactive bladder and other factors lead to. 1. mental urinary frequency: encountered some major things, psychological tension or fear, may induce mental urinary frequency, there will be frequent urination, only occasionally this situation, should promptly adjust the psychological state, usually can be improved on their own. 2. Acute urinary tract infections: for example, acute urethritis or acute cystitis, the onset of more acute, more serious infection, resulting in high sensitivity of the urinary tract mucosa, can cause frequent urination, incomplete urination, accompanied by urinary pain. 3. Acute prostatitis: may be related to excessive masturbation, frequent sex, unclean sex and other factors, will lead to localized enlargement of the prostate, frequent stimulation of the urethra, can cause frequent urination, accompanied by urinary dribbling, perineal distension and pain and other symptoms. 4. Overactive bladder syndrome: may be related to the lack of estrogen in the body, autonomic nervous system dysfunction and other factors, will make the bladder function is not stable, frequent contraction, can lead to frequent urination, and in severe cases, there can be urge incontinence. When the symptoms of urinary discomfort are more serious, it is recommended to go to the urology department of the hospital for appropriate examination and treatment to avoid delaying the condition.