Infant foreskin redness is very common clinically, this condition is mostly due to the infant foreskin is too long, with diapers or diapers friction leads to foreskin front redness and swelling, serious cases will affect urination. This situation requires local warm water cleaning, 2-3 times a day, the foreskin red swelling can be coated with drugs to promote inflammation, red swelling serious people can be combined with oral antibiotics to prevent infection aggravation. After the warm water cleaning, the redness and swelling will be significantly relieved after the external application of ointment, and can be recovered within 1 week. It is recommended to give the child more water and urination to keep the urination flowing smoothly. It is also necessary to reduce the use of diapers or rough diapers to keep the perineum clean and dry.