The baby’s body broke out shortly after eating, may be skin allergies caused by hives. Urticaria belongs to a kind of skin allergy, generally due to contact with allergens or eat easy allergic food caused by the manifestation of the skin scattered wind like papules, accompanied by itching, easy to recur, some children may be limited edema, in the allergens out of the majority of the will slowly subside. The baby ate soon body bag, if the symptoms are more serious or accompanied by obvious itching, hu and other symptoms of discomfort, the need to take the baby to the hospital pediatrics or dermatology consultation, to clarify the specific cause of the disease, and for the cause of the appropriate intervention therapy, so as not to cause anaphylactic shock and other serious complications.