One-week-old baby drink milk allergy, especially to milk protein allergy is relatively common, the allergy corresponds to the treatment is relatively simple, avoid milk can be, do not contact, the gastrointestinal tract does not have an immune response to appear, the corresponding symptoms will also be improved, the specific circumstances are as follows: 1, breastfeeding, the mother to avoid milk and all foods containing milk components, including yogurt, milkshake, cheese, ice cream, and a variety of pastries contain milk components need to be avoided; 2, if artificial feeding should choose desensitized milk products, including deeply hydrolyzed milk powder and amino acid formula, should be avoided. Pastries, all contain milk components, should be avoided; 2, if artificial feeding, should choose desensitized milk products, including deeply hydrolyzed milk powder and amino acid formula. For mild to moderate cow’s milk protein allergy, deep hydrolyzed milk powder can be considered, and for children with severe cow’s milk protein allergy, amino acid formula can be used.