Sacral fracture may lead to urinary tract infection. After sacral fracture, no matter whether the patient is treated surgically or not, it is necessary to pay attention to bed rest and reduce activities, because urination and defecation need to be carried out in bed, the change of urination habits, which may lead to poor urination, and some patients may even have urinary retention and so on, which will easily lead to urinary tract infection. When the sacral fracture leads to urinary tract infection, you can take levofloxacin, norfloxacin and other quinolone drugs under the guidance of the doctor, and at the same time to increase the amount of water to drink, try to get used to the habit of urinating in bed. Can not adapt to the patient or every time after urination residual urine is more, can be long-term indwelling catheterization treatment, but need to pay attention to the catheter good care, to avoid causing catheter-associated urinary tract infections.