Thrombocytopenia in children is the most common bleeding disorder in pediatrics, which usually does not heal on its own and requires systematic treatment. Treatment of immune thrombocytopenia includes general treatment such as minimizing activities, actively preventing and controlling infections, avoiding aspirin and other drugs that affect platelet function; glucocorticoid therapy is preferred. Large doses of intravenous immunoglobulin and platelets can be used; in severe cases, splenectomy can be performed; thrombocytopenia can be injected with thrombopoietin peptide for chronic immune thrombocytopenia. Most of the children will be cured after 1~6 months of treatment, but a few of them will have a chronic course. When immune thrombocytopenia is detected, it is necessary to consult a doctor in time to prevent serious complications such as intracranial hemorrhage, etc. The above drugs should be used under the supervision of a physician. The above medications should be used under the supervision of a physician, and specialist consultation is recommended for further treatment after physician evaluation.