Eczema is an allergic skin disease and it is recommended to avoid spicy, seafood, beef and mutton. You should avoid scratching and scalding with hot water, and you can consider topical application of glucocorticoids such as Denide or hydrocortisone and Halometasone for anti-inflammatory treatment. If you have a lot of red bumps in the summer, most of them are considered to be acute allergic reactions induced by ultraviolet radiation, and the rash is in a relatively red and swollen state, you can apply wet compresses, using saline to wet the gauze and then apply wet compresses on the wound to reduce edema as well as redness and itching.