The redness of children’s foreskin head is often encountered clinically, and is mostly a manifestation of glans penis, which is caused by foreskin, foreskin can not be turned up, foreskin local infection combined with foreskin scale together, belongs to the urinary tract infection, and is related to local humidity, friction or poor hygiene conditions. This situation must pay attention to keep the private parts clean and hygienic, every night you can use warm salt water to wash the perineum, especially the red and swollen foreskin is best to turn up the foreskin, cleaning the inside of the foreskin scale. The red and swollen head of the penis can be topically coated with erythromycin ointment to reduce edema and promote inflammation and absorption of swelling. Attention should also be paid to avoiding cold, irritating foods and drinking more water and urinating more often. If the condition recurs over the age of six, circumcision should be performed as soon as possible to completely remove the cause and avoid recurring episodes.