Clinical Precise Diagnosis and Treatment in the Kawasaki Disease

Inclusion Criteria: * Individual patient's medical file data confirmed the diagnosis of KD using diagnostic criteria issued by the American Heart Association in 2017; * Patients were respond to IVIG treatment; * the patients aged from 2 months to 14 years old; * All included patients required to sign an informed consent form. Exclusion Criteria: * The patients with severe infections; * The patients with a history of tuberculosis or recent close contact with tuberculosis; * The patient vaccinated with live vaccine in 6 months; * The patients with the application of hormone or other immunosuppressive agents; * The patients didn"t want to signed informed consent.