The most common disease is eczema of the ear, mainly because the patient ate allergic food, or the ear contact with allergic substances induced by the ear metamorphosis. The performance of the ear localized itching, yellow water, due to itching patients may subconsciously often scratch the ear, resulting in localized ulceration, repeated non-healing, if accompanied by infection may appear pain and some other manifestations. For this disease, it is recommended that patients do the following treatments: the first is to draw blood to check allergens to see what allergies, avoid allergens this disease will not be easy to appear. The second is to take oral antihistamine drugs for anti-allergy treatment. The third is to apply some topical anti-allergic ointment for symptomatic treatment under doctor’s guidance.