It is recommended to go to the hospital to perform relevant examinations to clarify the causes, the details are as follows: 1. If you are a male patient, you are considered to have prostatic hyperplasia. When prostate hyperplasia occurs, the glandular growth blocks the urethra, thus producing urethral stricture. Patients will feel greater urethral resistance when urinating, discharge less urine and weakness in urination. Especially seen in women with multiple births, or older women, pelvic floor function determination is needed to understand the presence of bladder prolapse, urethral prolapse, etc. According to the degree of prolapse, pelvic floor muscle function exercise or surgery should be selected.3. The presence of urethral stones, polyps and other lesions can lead to urinary tract obstruction patients with symptoms of weak urination or reduced urine volume. Urethroscopy is needed to clarify the presence of stones or polyps and other lesions.