There is no strength to urinate may be the posterior urethra resistance increases, urination is not fluent, this situation is very common in male patients, the most common is the male prostate enlargement after the appearance of urinary weakness, short urinary range, prolonged urination time. It is recommended to do transrectal prostate ultrasound examination, which can find that the prostate gland is enlarged and there is residual urine in the bladder without urination. Oral medication can be taken for treatment, the most common medication is alpha receptor blocker, the representative medications are tamsulosin, doxazosin, terazosin, etc. This type of medication is taken orally 1 tablet every night before bedtime, and usually 2-3 days can make urination become more fluent and more powerful.