The red buttocks of babies are usually caused by improper cleaning, untimely diaper changing or physiological diarrhea or allergies. It is recommended to relieve them by keeping the skin dry, timely diaper changing and applying ointment. 1, keep the skin dry: baby is mostly milk powder, breast milk food, easy to feces and urine residue on the buttocks, it is difficult to wipe off or wash, so after each baby defecation to choose oil-soluble emulsification factor, etc. to clean the feces, while the baby’s diapers should be soaked with warm boiled water to rinse. It is recommended to expose to the sunlight, to do to keep the skin dry, and to wash the buttocks for it regularly. 2.Changing diapers regularly: Long-term non-changing diapers can easily lead to local skin flushing of baby’s buttocks, so it is very important to change baby’s diapers, even disposable diapers should be changed regularly. 3, apply ointment: if the baby’s buttocks local flushing, and accompanied by eczema, you can apply some ointment to relieve the symptoms. Common drugs include zinc oxide ointment. If there are symptoms of secondary bacterial infection, it is recommended to use boric acid or potassium permanganate solution for rinsing and apply tannic acid ointment at the same time. If the symptoms of baby’s red buttocks are relatively mild, you can take the above three methods to relieve, if serious to go to the hospital in time.