Idiopathic thrombocytopenic purpura (ITP), also known as primary or immune thrombocytopenic purpura, is characterized by a significant decrease in peripheral platelets and impaired maturation of bone marrow megakaryocytes, and is characterized by clinical manifestations of bleeding from the skin, mucous membranes, or internal organs. Intracranial hemorrhage is the cause of death in this disease. (1) First-line treatment: glucocorticosteroids, with long-term side effects and possible rebound when the dose is reduced or stopped. (2) Second-line treatment: splenectomy. (3) Emergency treatment: platelet transfusion and intravenous application of gammaglobulin. However, the maintenance of platelet elevation is limited. (4) Other treatments: cyclophosphamide, vincristine, azathioprine, danazol, cyclosporine A, mycophenolate (primaquine), high-dose vitamin C, melphalan (CD20 monoclonal antibody), plasma exchange, etc. 2.Treatment in remission The general methods of Chinese medicine include clearing heat and cooling blood, nourishing Yin and lowering fire, tonifying the spleen and benefiting the kidney, and detoxifying and dipping turbidity.