The nursing measures of allergic purpura is a knowledge point that needs to be understood for the competent nurse exam, Ai Ai Medical Examination Center Network has collected and organized the relevant content, hoping to help the majority of candidates who are reviewing and preparing for the exam. The main clinical manifestations are: the skin, the capillaries and the small arteries of the skin and other organs are invaded by an allergic vasculitis, which mostly occurs in male children, characterized by platelet non-reducing purpura, often accompanied by abdominal pain and joint symptoms. The main clinical manifestations: It occurs in children between 3 and 10 years of age, starting with purpura of the skin and mucous membranes, with fever, headache, discomfort and loss of appetite. Occasionally, abdominal colic or arthralgia is the main manifestation. The earliest skin manifestation is a small, scattered, bruising urticaria-like rash that usually becomes hemorrhagic within a day. It occurs symmetrically on the extensor surfaces of the limbs and buttocks. Renal damage occurs in about 50% of cases, ranging from mild nephritis to severe renal failure. Treatment principles: 1. Try to remove the allergenic factors. 2. Simplexes can be treated with compound lutin, calcium, vitamin C, and antihistamine preparations. 3, fever and arthritis available corticosteroids, but can not stop the kidney invasion, for recalcitrant chronic nephritis can add free inhibitors. 4, Chinese medicine: according to the clinical symptoms of the disease dialectical treatment. Care focus: 1, careful use of allergy-prone drugs and food. 2, strengthen physical exercise to prevent upper respiratory tract infections and viral infections. 3, pay attention to keep warm to avoid cold stimulation.