A five-year-old child with a red and swollen penis needs to consider the possibility of glansitis or circumcision. This may be caused by contact with allergic substances, scratching or lack of hygiene or contact with other dirty things. Once this happens, it is advisable to go to the hospital for a clear diagnosis. If it is diagnosed as glans circumcision, it is recommended to first clean it with warm water and then apply erythromycin ointment or gentamycin eye ointment for treatment, in addition to keeping the area clean and hygienic and not wet.