Inability to urinate first need to go to the hospital in time for catheterization, may be due to prostate hyperplasia, neurogenic bladder, urethral stones, prostate cancer and other factors caused by the symptoms. 1. Prostatic hyperplasia: may be due to long-term androgen excess, resulting in the enlargement of the prostate gland, so that the bladder outlet appeared to be blocked phenomenon, you can use finasteride, tamsulosin and other drugs to treat. Surgery can be considered if medication is ineffective or complications arise. 2. Neurogenic bladder: the nerves innervating the bladder function are damaged, resulting in weak contraction of the bladder tissue, which leads to difficulty in urination, and can be treated with drugs such as brompheniramine tablets. 3. Urethral stones: mainly due to the patient’s urethra is blocked by stones, resulting in difficulty in urination, you can use surgical incision of the urethra to remove the stones to treat. 4. Prostate cancer: mainly due to the patient’s urethra is compressed, resulting in difficulty in urination, according to the clinical stage can be considered radical prostatectomy or endocrine therapy, radiotherapy and other ways of treatment. Patients who have difficulty urinating need to go to the hospital in time for examination to clarify the cause of the disease. Follow the doctor’s instructions to use drugs, eat more fresh fruits and vegetables, improve the body’s resistance, moderate exercise, symptoms worsened in time to consult a doctor.