The newborn’s buttocks appear red and broken skin, consider the diaper dermatitis. Diaper dermatitis is an acute infectious disease that occurs in the newborn’s buttock skin, the cause of its development and the newborn’s delicate skin, poor immunity and diapers, stool, urine and other substances on the skin caused by the stimulation of the clinic can be manifested as a local redness of the skin, itchy, blisters and even vesicles. Improve the symptoms of diaper dermatitis, first of all, we should choose the regular manufacturers of diapers, to avoid the diaper material is not qualified and increase the stimulation of the skin. Secondly, we should do diligent cleaning, diligent replacement, keep the baby’s buttocks skin clean and dry, avoid making the buttocks skin for a long time in a relatively wet environment. Finally, you can give some targeted astringent and anti-itch medication, such as external boric acid solution wet compresses, rubbing glycerite lotion and so on. When skin ulceration is obvious, effective anti-infection treatment must be carried out, such as external mupirocin ointment. For newborns appearing diaper dermatitis, it is recommended that parents should take their babies to the hospital in a timely manner, standardized treatment under the guidance of the doctor, do not handle the medication on their own.