1, general treatment: allergic purpura is an immune-mediated small vessel metaplasia, systemic widespread small vessel aseptic inflammation. This disease has no special treatment, mainly to take support, symptomatic and other comprehensive treatment, the acute period of bed rest; with gastrointestinal bleeding or abdominal pain is heavy, can fasting or liquid food; with infection with antibiotics; pay attention to find and avoid contact with allergens. 2, symptomatic treatment: with urticaria or angioneurotic edema, the application of antihistamines and calcium; abdominal pain, add antispasmodic drugs. 3.Vitamin C, calcium, rutin, anti-allergy drugs. 4.Anti-platelet agglutination drugs: Pansentine, aspirin, small doses of heparin, etc. 5.Adrenocorticotropic hormone: It cannot change the kidney lesion, cannot improve the prognosis, and is not effective for skin rash, but can relieve abdominal pain, gastrointestinal bleeding, joint swelling and pain in the acute stage. Indications for the use of hormones: severe gastrointestinal lesions, such as gastrointestinal bleeding; manifestations of nephrotic syndrome; acute nephritis; arthralgia. 6. For severe cases: high-dose gammaglobulin shock therapy is available, and immunosuppressants can be added for severe purpura nephritis. Renal failure: can be treated with plasma replacement and hemodialysis. 7, immune modulation 8, Chinese medicine has better effect on allergic purpura, especially for recurring cases, treatment: tonify kidney and benefit qi, activate blood circulation.