Disease analysis: Hello, you can exercise. Eczema is an allergic skin disease. When you eat exotic foods from protein, such as eggs, milk, fish and shrimp, you will cause allergic skin diseases. Eczema can occur in any part of the body, but mainly in the face, head, ears, calves, armpits, cubital fossa, scrotum, vulva and anus. The cause of the disease is unknown, and allergic constitution may be the main cause. Suggestion: At present, western medicine has no specific treatment for eczema, and more symptomatic treatment is used. Oral antihistamines such as diphenhydramine, phenamine, chlorpheniramine, cyproheptadine, etc. , can be used alone or in combination with sedatives and vitamin C. The dosage form for external use depends on the clinical manifestations of skin lesions. If there is obvious swelling and exudation, cold and wet solution should be used, and lotion, emulsion, mud paste and oil agent can be used for erythema and papules. Oil is needed for blisters and erosion; Ointment is used for those who show scales and scabs; If lichen changes, choose mud paste, ointment, emulsion, film coating, tincture and plaster.