For newborns with red bottoms and bumps, the following methods can be used to deal with the situation: First of all, change the diapers for newborns diligently. The reason why some newborns have red bottoms and bumps is because they are not changing their diapers too often. The symptoms are caused by urine or stool irritating the skin on the buttocks, and will be relieved after changing the diapers regularly. Secondly, wash your buttocks every night before going to bed and after each bowel movement, using warm boiled water can effectively prevent diaper dermatitis, or the skin is irritated by not wiping the bowel movement in time, causing redness and bumps on the buttocks. You can apply ointment in time, you can apply tannic acid ointment for treatment.