The difference between milk powder allergy and eczema includes different causes and different symptoms. 1. Different causes: usually milk powder allergy is mainly due to allergic patients, in contact with the allergen milk powder, the body’s immune system overreaction; eczema occurs at present the cause is unknown, can be caused by milk powder allergy, can also be caused by environmental factors, other substances allergies, genetics, immune abnormalities, excessive scratching, washing, hot, and infections and other factors. 2. Symptoms are different: milk powder allergy after allergic reaction is more, may be the skin redness, itching, redness, sneezing, dyspnea, coughing, runny nose, diarrhea and other symptoms; eczema is mainly manifested as erythema, pimples, pimples, blisters, vesicles, oozing, self-conscious itching and other symptoms. It is recommended that patients, according to the situation, timely to the regular hospital, after a clear diagnosis, timely treatment, to avoid delaying the condition.