First, change the diaper is not timely Baby’s food is mainly liquid, fast absorption, fast excretion. Little baby about to pull 10-14 times a day, every time after wetting, if you do not change the diaper in time, the irritating ingredients in the urine to stimulate the baby’s buttocks delicate skin, a localized dermatitis occurs. Second, the baby’s buttocks wet diaper dermatitis is another important reason, is to wash the small buttocks of the improper method, each time to wash with water, more often, the baby’s small buttocks on the natural sebaceous protective film is washed away, the baby is also easy to suffer from red buttocks. Third, do not wash after the newborn’s stool dilute, more, breastfeeding newborns stool usually 4-5 times a day. Because of the pocket diaper, stool often stained the entire buttocks. If only the stool is wiped away, without cleaning the buttocks, when in the pocket diaper, it will be in a moist environment with irritants and diaper rash. Fourth, the diaper rough absorbent poor new parents do not realize that the baby’s skin is particularly delicate, the preparation of the diaper rough, or made of chemical fiber cloth, absorbent particularly poor, so that the local skin is more moist, in the wipe the buttocks, due to the action of rough and hard diapers, so that the skin damage, and then more likely to occur diaper rash.