1, dermatitis eczema common allergic foods such as shrimp, crab, mango, beef and mutton, soy products, spicy foods, fermented foods, etc.. 2, common inhalation allergens such as dust mites, pollen, house dust mites, etc. 3, contact allergens such as benzene, detergent, hand soap, soap, gasoline and other chemical agents and heavy metals such as nickel, cadmium, lead, etc. 4, clothing contact allergies such as chemical fibers, it is recommended to try to wear cotton clothing. 5, such as conditions, try to go to the hospital to perform allergen testing, allergic substances, to avoid contact! 6, dermatitis eczema to the late basic has been dry, peeling, skin thickening is the main, it is recommended to use medical skin care products to protect the skin and moisturizing ingredients.