Allergic purpura is a common capillary allergic disease, the main pathological basis is extensive capillary vasculitis, with skin purpura, gastrointestinal mucosal bleeding, painful joint swelling and nephritis as the main clinical manifestations, and a few patients also have angioneurotic edema. Some patients can have recurrent attacks by re-exposure to allergens. Allergic purpura can occur at any age, children and adolescents are more common, especially preschool and school-age children, infants within one year of age is rare, more men than women. The actual fact is that you will be able to get a lot more than just a few of the most effective and most effective products. 2.Actively remove the infection foci to prevent upper respiratory tract infection. 3.Find out the allergens as much as possible. 4, the acute period and bleeding should be restricted to the patient’s activities. 1. Pay attention to rest, avoid straining, avoid mood swings and mental stimulation. Prevent insect bites. Get rid of possible allergens. 2. Pay attention to keep warm and prevent cold. Avoid taking drugs that may cause allergy. Control and prevent infection, use sensitive antibiotics when there is a clear infection or foci of infection, but should avoid blind prophylactic use of antibiotics. 3, pay attention to diet, because allergic purpura is mostly caused by allergens, should be prohibited Raw onion, raw garlic, chili, alcohol and other irritating food; meat, seafood, eggs, milk and other high animal protein food; drinks, snacks and other convenience food. Contact with pollen and other allergens should be avoided. 4, in order to prevent recurrence, patients should adhere to consolidate treatment for a course of treatment after cure. Allergic purpura care precautions] 1, try to rest, especially the attack period of about 3 months, can not be too tired, so as not to aggravate the disease, turned into nephritis. 2, cold, fever, diarrhea can aggravate the disease, resulting in recurrence or aggravation of the disease, so it is very important to prevent infection, a fever and cold should be promptly consulted, not to go to a crowded public places, patients with colds should pay attention to isolation. 3, after the disease should not be vaccinated (vaccines), to prevent allergies. 4. Avoid eating animal protein, such as seafood, beef and mutton, instant noodles (with preservatives), and gradually eat some meat, milk and eggs on a trial basis during the recovery period. These foods should also be avoided during the acute period. 5. If patients are allergic to fur, they should not use down products in winter, such as duck down quilts, down jackets, etc. 6. Check urine routine every 1 to 2 weeks within 3 months of illness, and once a month after 3 months.