Allergic purpura children during the onset of the body is in a highly sensitive state, the original non-allergic food (such as meat, milk, eggs, vegetables, soy products and fruits, etc.) and some items (such as flowers, new clothes, new books and newspapers, dust, chemicals, etc.), at this time can cause allergic reactions and thus aggravate the disease. Therefore, diet and life management are very important. Parents should give their children reasonable diet and life care under the guidance of doctors. 1, the initial period should be based on light and easily digestible food, such as rice soup, thin rice, rotten noodles, soft rice, soft buns, etc.. Do not eat raw, cold, hard, fried and other indigestible food. Fish, seafood, dairy products, eggs, soy products, meat, onion, garlic, chili, wine, drinks, peanuts, melon seeds, walnuts, nuts, various snacks and various bags of children’s food should be prohibited. Serum IgE allergen test results can also do some dietary reference. 2, with the remission of the disease first a small amount to add some ordinary vegetables such as fried potatoes, cabbage, rape, tomatoes, etc., first give a kind of later gradually increase the amount and increase the variety. After remission, you can also eat some ordinary fresher fruits, such as watermelon, apple, do not eat anti-seasonal fruits, rare fruits from the south (such as lychee, papaya, longan, mango, pineapple, durian, etc.) and long-term storage of fruits. 3, visit the child please do not send flowers, pollen inhalation can aggravate the disease. There should be no flowers or scented plants in the home of the child, and avoid contact with them when you go out. 4, generally after the rash subsides 2 to 4 weeks, you can consider adding a small amount of fresh lean meat diet to supplement the child’s nutrition, fried, stewed, boiled can be, less oil. After 1-2 weeks without rash recurrence, you can gradually increase the amount and variety. By 3-4 months later, eggs can be added, first boiled, then scrambled after 1 month. Milk can be added only after 6 months of stable disease. Only after 1-2 years can seafood be added. 5.Children taking hormone therapy have increased appetite and food intake after remission, parents must control and not increase the amount of diet at will. 6, found that the child has abdominal pain, vomiting, black stool or blood in the stool should be fasting water, otherwise it can aggravate the disease. After these symptoms are relieved, a small amount of restrictive liquid diet should be eaten under the guidance of a doctor, and gradually increase the amount and variety as the condition improves. 7, limit the amount of activity, absolute bed rest during the acute period, avoid exertion, avoid mood swings and mental stimulation. You should go to public places as little as possible to reduce the chance of bacterial and viral infections. 8.If there are no special circumstances, the child should not receive any vaccination within 1 year.