The elderly have a sense of urination can not come out recommended to go to the hospital for relevant examination to clarify, and the possible causes are: 1, prostatic hyperplasia, is the most common disease in elderly men with a sense of urination, difficulty in urination, is a progressive aggravation of the symptoms, the patient will gradually appear to have weakness to urinate or appear unable to urinate. It is recommended to go to the hospital for ultrasound examination of the prostate and residual urine examination of the bladder to further clarify whether there is prostatic hyperplasia. 2. If men have urethral stricture or urethral stones or women have bladder prolapse, they can have the feeling of urination but cannot urinate. 3. When the elderly have urinary tract infections, they can also have a sense of urination but find it difficult to urinate, often because the bladder sensitivity increases after inflammation, so the bladder can store a small amount of urine, which can produce an obvious desire to urinate. However, because the urine volume is too small, it may be difficult or difficult to urinate or unable to urinate, so it is necessary to go to the hospital for further urine routine tests and urine culture to further clarify the presence of infection.