The treatment cycle for Kawasaki disease is 6-8 weeks. The treatment of Kawasaki disease mainly includes intravenous gammaglobulin, oral aspirin and glucocorticoids, and the treatment cycle of Kawasaki disease is the time of its medication, of which intravenous gammaglobulin can usually be repeated 1-2 times; aspirin is gradually reduced 3 days after the fever subsides, and the maintenance dose is usually 6-8 weeks, and the time of medication can be appropriately prolonged in the case of combined changes of coronary artery aneurysms; the hormone is usually a second-line drug, and can be used when the Hormones are generally used as second-line drugs, and can be used when the response to intravenous gammaglobulin is poor. Therefore, the treatment cycle of Kawasaki disease is the length of the above medications, about 6-8 weeks. Children without coronary artery disease are examined and followed up at 1 month, 3 months, 6 months, and 1-2 years after discharge from the hospital.