Newborn erythema is also a relatively common skin phenomenon that can occur in any part of the body, generally there is no uncomfortable situation, the baby parents can not worry excessively. If a pregnant woman has used some kind of drugs or contacted chemical stimulation objects during pregnancy, it will lead to the appearance of neonatal erythema, in addition, the appearance of neonatal erythema is also likely to be a kind of birthmark, the formation of birthmark is mostly seen in genetic factors, the erythema formed in this case will need to do spot removal treatment for the child after the time is ripe. 2, due to the delicate skin of newborns, shortly after birth, when they receive sunlight or air stimulation, they will also appear temporary skin color erythema, in this case, no special treatment is needed, usually later will recover on their own, another common is the fungal and viral mixed infection is also caused by newborn skin allergy, in this case, it is necessary to carry out antifungal and antiviral creams to treat. In this case, antifungal and antiviral creams are needed to treat the skin. Regardless of which condition causes the erythema, do not deal with it blindly, you can observe it for two days first, if there are signs of abnormality or aggravation, take your child to the hospital for treatment as soon as possible.