Desensitization treatment for baby milk protein allergy mainly utilizes small doses of allergens supplied in divided doses. Baby milk protein allergy is the baby is allergic to the protein in the milk, after drinking milk it is easy to diarrhea, abdominal pain, vomiting and other symptoms, need to stop eating milk immediately, and change to other completely hydrolyzed protein milk powder or dairy products can alleviate the symptoms. Desensitization treatment is mainly small doses of additive, allergens supplied to the body in small doses, such as a small amount of milk protein powder to the baby, over time, gradually increase the amount of feeding, so that the baby has an excessive adaptation, will gradually improve the symptoms, that is, desensitization. Baby milk protein allergy desensitization treatment, must be carried out under the guidance of a doctor, can not be arbitrarily given to the baby operation, easy to trigger a serious allergic phenomenon.