Patients suffering from eczema should eat a light diet, avoid fatty, spicy and seafood products, do not drink alcohol, do not smoke, eat less beef, roast duck, roast goose, etc.. The following are three simple and easy to use food therapies for patients to refer to. Job’s tear and red bean decoction: 30 grams of barley, 15 grams of red beans, add water and cook together until the beans are rotten, add sugar in the right amount, serve in the morning and evening. Mung bean and kelp porridge: 30 grams of mung bean, 50 grams of kelp, brown sugar and glutinous rice. Boil mung beans and glutinous rice into porridge, mix in chopped kelp, then cook for 3 minutes and add brown sugar. Mulberry and lily soup: mulberry and lily 30 grams each, 10 jujube and 9 grams of green fruit. Cook together into soup, 1 dose per day.