The following treatment should be done for urinary tract infection after catheter insertion: 1, to ensure smooth drainage of the urinary catheter, to avoid urine reflux, to strengthen the care of the external urethral orifice, to ensure cleanliness around the urethral orifice. 2, according to the patient’s condition to drink more water or esophageal rehydration, to ensure that the urine volume should exceed 2000mL every 24 hours. 3, according to the patient’s specific situation and urinary catheter drainage, you can replace the catheter or try to shorten the duration of indwelling 4, targeted treatment is antibiotic treatment, according to clinical experience, you can choose the following antibiotic treatment, cefaclor, cefixime, cefoperazone sodium sulbactam sodium, ceftriaxone sodium, levofloxacin, amoxicillin clavulanic acid potassium, azithromycin and other drugs. Before treatment with antibiotics, it is best to take urine for bacterial culture in order to adjust the treatment.