Eczema is a very common, late-onset allergic disease in dermatology. The clinical manifestation is a polymorphic rash with pronounced itching, usually symmetrically distributed, prone to recurrent episodes that turn chronic and very common in the clinic. In terms of diet, lychee and other fruits or foods, as long as the usual allergen test is not a problem, and usually eaten, there is no allergy or abnormalities, are normal to eat. However, if the allergen test is allergic to lychee, or after the usual consumption, there will be itching, discomfort or eczema symptoms worsen, you can not eat. In addition to these food taboos, to formal scientific treatment under the guidance of a dermatologist.