The common causes of herpes in the baby’s buttocks are diaper dermatitis, chickenpox, neonatal impetigo, etc., which need to be targeted according to the cause of the disease, and generally use medication. 1. diaper dermatitis: you should wash your buttocks with warm water every day and keep them dry, you can use weak acidic soap to clean them; locally, you can use topical zinc oxide oil or tannic acid ointment and so on to apply. 2. Chickenpox: need to isolate, isolation until the herpes of water crust, itchy skin can be localized use of glycerine lotion, can use anti-viral drugs such as acyclovir and other anti-infective treatment. 3. neonatal pustular herpes: pustules unbroken can use glycerine lotion to stop the itching, rupture of the use of diluted potassium permanganate solution to wash or soak, pay attention to keep the trauma dry; can be used to systemic drugs such as roxithromycin and other anti-infective treatment. When the baby herpes need to consult the doctor in time to clarify the diagnosis, follow the doctor’s instructions for targeted treatment. All of the above drugs need to be used under the guidance of a doctor.