1, to find out whether there are food allergies, especially milk, protein, fish, shrimp. 2, the baby skin is more tender, resistance is poor, to keep local clean, to avoid infection. Commonly used internal medications are compound vitamin B, vitamin C, etc., there are secondary infections and antibiotics. 3, external medication depends on the state of the skin lesions, out of the water vesicles or redness and swelling with a 2% boric acid aqueous solution wet compresses, oozing and vesicles disappeared after the use of eczema cream. Generally, people who are prone to allergic reactions and allergic diseases and cannot find the cause of the disease are called allergic. People with allergies can have a variety of different allergic reactions and allergic diseases, such as eczema, urticaria, some suffer from allergic asthma, some are particularly sensitive to certain drugs, drug dermatitis, or even exfoliative dermatitis. However, occasional hyperreactivity to a known factor can not be called allergies allergic body people common food allergy symptoms are as follows: respiratory system, rhinitis, asthma, coughing symptoms; eyes itching or redness; skin rash, eczema, angioedema, erythema, itching phenomenon; the digestive system may produce abdominal pain, nausea, vomiting, diarrhea, gastrointestinal bleeding, itching in the oropharynx and a feeling of a foreign body. Discomfort. Foods that may cause allergies include: milk, soybeans, peanuts, eggs and fish, nuts and fruits, crustaceans and seafood (such as shrimp and crab), flour, and so on. The modern food industry is well developed and some people are also allergic to food additives, such as colorings, antioxidants and preservatives. These kinds of food containing additives, such as candied fruit, golden needles and some candies, should be eaten sparingly by allergy sufferers to avoid triggering asthma. In addition, some foods do not have to be consumed, even if only by contact, may cause allergic reactions of itching, redness and swelling of the skin, such as bananas, avocados, kiwi fruit, chestnuts, papaya, and so on. The easiest way to avoid allergies is to stay away from allergens.