Levofloxacin can be applied to urinary tract infections. Levofloxacin is a quinolone antibiotic that has a relatively good bactericidal effect against pathogens commonly found in urinary tract infections, such as gram-negative bacilli and gram-positive cocci. Moreover, its concentration in urine is relatively high, so it can quickly control various symptoms due to urinary tract infections, such as common urinary tract irritation symptoms, such as frequent urination, urgent urination and painful urination. After treatment with levofloxacin, the inflammation is suppressed, then the urinary tract irritation symptoms can be relieved to different degrees. For patients with back pain and elevated body temperature after infection, the symptoms of back pain and fever can be quickly controlled and relieved after treatment with levofloxacin. Some patients may have pain in the small abdomen or a feeling of incomplete urination, but after the inflammation gradually subsides with drug treatment, the symptoms of pain in the small abdomen and a feeling of incomplete urination can also be quickly relieved.