A toddler’s red ring around the anus may be due to the sweltering heat caused by diaper rash, or due to infection. The red circle around the anus of the toddler may be due to the diaper is not breathable heat caused by the skin redness, triggered by diaper rash, usually there are no symptoms, usually only need to often breathable, change the diaper, wipe the buttock cream and so on to solve the problem, pay attention to usually to keep the local dry. It can also be caused by infection and is usually accompanied by symptoms such as itching. In the acute stage you can use potassium permanganate sitz bath, potassium permanganate powder 1:5000 for dilution, daily sitz bath about 5~10 minutes, you can also use tannic acid ointment and other local application. Red circle around the anus of young children should promptly seek medical treatment by a professional doctor. The above medication is in accordance with the doctor’s prescription.