Erythromycin ointment has a certain effect on the treatment of broken skin red buttocks and infection, due to different personal constitution, the effect time is not the same, usually the situation is better after 7 days. Baby red buttocks consider is due to urine and stool stimulation caused by the skin appear red spots, blisters and other manifestations. If the skin lesions occur, can be applied locally foam erythromycin ointment and other anti-inflammatory drug treatment to prevent infection, usually about 7 days can appear obvious effect. Baby red buttocks may also be and diaper allergy related, should reduce the use of diapers, and to cotton diapers, and diligently change, keep the local dry, clean and hygienic. Clean up the stool as much as possible with warm water and gently wash, and with a soft clean cotton cloth dipped dry, try not to wipe, in order to reduce the friction damage to the skin. If the baby’s red bottom is particularly serious, violent crying, refusal to eat and other symptoms, parents need to take the baby to the regular hospital pediatrics, pediatricians under the guidance of symptomatic treatment.