First of all, correctly understand the disease, establish the confidence to overcome the disease, actively cooperate with the doctor’s treatment, and at the same time do a good job of family care, so that the child away from the pathogen. Parents should pay attention to the following points: 1, prevention of allergic purpura an important pathogenic factor is infection, including bacteria, viruses and parasites, etc. Therefore, in daily life to encourage the affected children appropriate outdoor activities, enhance physical fitness, improve the ability to resist disease, but also should actively prevent and treat upper respiratory tract infection, control tonsillitis, dental caries, sinusitis and some other chronic infections foci. 2, pay attention to diet (1) When a child has allergic purpura, the body is in a highly sensitized state, and the food to which the child was not allergic can cause a metamorphic reaction at this time. The allergen is generally difficult to determine, so also appropriate dietary control, if it can be clear that a certain food caused by allergic purpura, it must be prohibited this food. The actual food is usually a light diet, give high vitamin, easy to digest soft food and fluid diet, try to avoid fish, shrimp, crab, egg, milk, puffed food, raw, cold, hard and other irritating food, the main food to noodles, steamed bread, thin porridge, plant food such as fava beans, pineapple, plant buds also try not to eat. But clinically less simple food allergies, so most children in complete remission, can gradually resume the previous diet, rather than just fasting, pay special attention not to long-term prohibition of meat, eggs, milk and other proteins necessary for growth and development. (2) Supplemental vitamin C and K should eat more foods rich in vitamin C and K. Vitamin C can effectively protect blood vessels and reduce vascular permeability, and vitamin K is good for blood clotting and hemostasis. Foods containing more vitamin C mainly include tomatoes, green peppers, oranges, apples and other fresh fruits and vegetables; foods rich in vitamin K include spinach, carrots, pumpkin and so on. Since vitamin C and vitamin K are not resistant to high temperatures, they should not be cooked at high temperatures and for too long. (3) Other allergic purpura can cause gastrointestinal bleeding, so when accompanied by symptoms of abdominal pain, one should be alert for signs of bleeding, such as dark stools, blood in stool or occult blood in routine stool examination, etc., and two should pay attention to less residue diet. If there is definite bleeding, fasting is necessary. If there is only abdominal pain, care should also be taken to avoid eating rough and hard foods that may damage the mucosa of the digestive tract and cause bleeding. The same, spicy food, carbonated drinks should also be avoided. 3, life and environmental factors skin purpura obvious, children should try to wear long-sleeved clothing when traveling to crowded places can wear a mask to strengthen protection, pay attention to avoid inhalation or contact with pollen, willow, dust, mites, animal dander and other potentially allergenic substances. You can try to change the carpet, down comforter, down pillow and so on. If you are allergic to chemical gases, you should pay special attention to the decoration of your home environment and try to use green decorative materials. The actual fact is that you should avoid contact with cosmetics, shampoo, detergent, hair dye, soap, chemical fiber products, plastic, metal jewelry, etc. It is best not to keep pets such as cats and dogs at home. 4, emotional factors allergic purpura because the condition is often repeated, the course of the disease is more delayed, and also prone to kidney damage and other complications, so the affected children will have different degrees of stress, so parents in daily life to The actual fact is that you can find a lot of people who are not able to get the best out of your own home. Otherwise, pessimism and negativity, depression and anger will not only help the recovery of the disease, but also aggravate the disease. A happy mood has an important role to play in strengthening immunity.