Try not to eat shiitake mushrooms because they can cause shiitake dermatitis, which is also a subtype of eczema, and if eaten, may cause the occurrence and aggravation of eczema. In addition, avoid eating vegetables such as amaranth and leeks, fruits such as durian and mango, hair products such as beef and mutton, seafood, milk and eggs, strong sunlight for a long time, spicy and stimulating diet such as raw onion, raw garlic, strong tea, coffee, etc. In life, patients should also keep good rest and sleep, keep a happy mood, avoid overexertion and excessive anger.