Patients with frequent urinary tract infections can take long-term low-dose medications such as cefadroxil, ciprofloxacin or furotoxin to prevent recurrence. Patients with recurrent urinary tract infections can take low-dose antibiotics for a long time to prevent recurrence of urinary tract infections, and the more commonly used drugs are cefadroxil, ciprofloxacin and furotoxin. At the same time, we need to actively search for the causes of recurrent urinary tract infections, such as urinary tract abnormalities, low immunity, etc. If there are urinary tract abnormalities, such as vesicoureteral reflux need to undergo ureterobladder reimplantation, and immunocompromised patients need to improve immunity. Some female patients are prone to urinary tract infections after sexual intercourse, at this time you can take antibiotics after sexual intercourse to prevent urinary tract infections, such as cefadroxil, furaduine, etc.. Repeated episodes of urinary tract infections must be under the guidance of physicians in regular public hospitals to find the cause of the disease, and then treatment. All of the above drugs should be applied under the guidance of a doctor.