Men who can’t urinate as much as possible are caused by urinary tract infections, urinary stones, prostatitis, prostate enlargement and other factors. 1. Urinary tract infections: men do not pay attention to the lower body hygiene, may induce urinary tract infections, such as urethritis or cystitis, so that the mucous membrane in the urethra or bladder sensitivity is too high, will cause frequent urination, accompanied by urinary pain. 2. urinary stones: for example, bladder stones or urethral stones, when the male body position changes, the stones move, the urinary tract system caused by the stimulation, will cause frequent urination, urinary incontinence, accompanied by urination difficulties, hematuria, urinary pain and other symptoms. 3. Prostatitis: may be related to frequent sex, sedentary, long time holding urine and other factors, due to inflammatory stimulation, so that the prostate gland localized enlargement, the urethra caused by stimulation, it will cause frequent urination and urinary incontinence, accompanied by perineal distension and pain, urinary dribbling, etc. Symptoms of prostatitis. 4. Prostatic hyperplasia: a common disease in older men, the enlarged gland can frequently stimulate the bladder, can cause frequent urination, accompanied by urinary difficulties, urinary weakness and other symptoms, and may even lead to urinary retention. Men who do not urinate enough and there are other abnormal manifestations, it is recommended to consult a doctor as soon as possible for examination and treatment to avoid aggravation of the lesion.