The biggest cause of urinary tract infections in male infants may be overcircumcision or circumcision. With long foreskin or prepuce, children have urine that is not washed in time after urination, and there is urine scale in the urine that can irritate the glans of the foreskin and cause inflammation. It may also be due to wearing diapers and not changing them in time, and the chemical inflammation of urine can also cause the urethra to become red and inflamed. It is recommended that male infants should turn their foreskin over daily to clean the urethral opening, glans and coronal groove, which can avoid the incidence of urinary tract infections. Male infant diapers should be changed once every 3-4 hours to prevent chemical inflammation of the urethra due to excessive urine.