Newborns with perianal skin need to be treated according to the cause of the symptoms, may be caused by excretory stimulation, may also be perianal eczema, contact dermatitis and other diseases, can take general treatment, medication and other ways to improve. 1. Excretory stimulation: children with perianal skin symptoms may be due to the parents did not change the child’s diaper in a timely manner, resulting in excretory stimulation of the child’s perianal skin, which can cause newborns to have a buttock perianal skin phenomenon. 2. Perianal eczema: the symptoms of perianal eczema are perianal erythema, flaking and erosion. Parents can follow the doctor’s instructions to the child to use erythromycin ointment and other drugs for treatment. 3. Contact dermatitis: the main symptoms of contact dermatitis are erythema, edema and erosion. Parents can use mupirocin ointment and other glucocorticoid creams as prescribed by the doctor. There are many reasons why a newborn’s buttocks and perianal skin are broken, if necessary, parents should take the child to the doctor in time, and follow the doctor’s instructions to use medication.