Urinary tract infections that recur, according to clinical experience there may be the following two reasons: 1, the treatment is not standardized, not thorough, many patients in the treatment of urinary tract infections, symptoms are relieved on their own to stop the drug, which is the most common reason for the recurrence of the disease, standardized treatment should be in the control of the infection after the routine urinalysis negative, and then consolidate the treatment for a week before the cure. 2, the causative factors have not been eliminated, such as the patient’s presence of diabetes mellitus, Neurogenic bladder, male prostate hyperplasia, circumcision, female patients with adenoid cystitis, urinary retention, urethral caruncle or gynecological inflammation, etc. These causative factors have not been removed, it is easy to lead to recurrence of the disease.