The presence of fever in urinary tract infection often indicates that the infection is aggravated and the bacteria enter the bloodstream and cause systemic toxicity. Treatment: 1. Take three days off from work or study to avoid aggravating the infection by overexertion. 2. To reduce heat treatment, you can take 8ml of ibuprofen suspension orally, when fever is present. You can also inject intramuscularly 2ml of Chai Hu injection and 2ml of Anacardium injection to make the body temperature drop gradually. 3, anti-infection treatment, such as conditions can be retained for urine culture and bacterial sensitivity test, so that you can know what bacterial infection is more sensitive to what drugs. If no conditions, can empirically choose cephalosporin antibiotics intravenous infusion, or quinolone antibiotics intravenous infusion. The drug can be chosen from cefoxitin sodium or cefuroxime sodium intravenous infusion twice daily for a week, with the specific dose calculated according to height and weight. You can also choose ciprofloxacin injection 200mg, intravenous infusion, once a day, for one week. 4, during the infection fever to drink more water, the daily water intake is about 1500ml. If a lot of sweating occurs during the fever, it is appropriate to hydrate as appropriate. 5. If the body temperature rises gradually for three consecutive days without any relief, hospitalization is recommended for treatment.