If a newborn baby has an allergy, parents can use the following treatments: firstly, give the child symptomatic treatment, if the skin has eczema or the stool has pus and blood, this situation is considered to be caused by skin allergies or intestinal allergies, you can give the child topical anti-eczema ointment, such as moisturizing treatment based on baby lotion, and give the child topical glucocorticosteroids, such as mometasone furoate ointment for anti-eczema treatment. Eczema treatment. Secondly, if the symptoms are caused by intestinal allergy, this situation should be timely for the child to change the depth of hydrolyzed protein milk powder or amino acid milk powder, because the child if the milk protein allergy, only to eat protein after processing of hydrolyzed protein or deep hydrolysis, or even has been completely decomposed amino acid milk powder, in order to effectively avoid the symptoms of allergy.