Kawasaki disease refers to mucocutaneous lymph node syndrome, for recurrent fever, longer duration, combined with clinical manifestations such as bulbar conjunctival congestion, etc., need to be alert to the disease is true, diagnosis is clear and need to be actively treated, to avoid complications and so on. Kawasaki disease, also known as mucocutaneous lymph node syndrome, most common in infants and young children, clinical fever, body temperature up to 30 ~ 40 ℃, duration of 7 ~ 14 days or normal, was arrested fever or flaccid fever type, antibiotic treatment is ineffective, clinical can also appear bulbar conjunctival hemorrhage, lip hemorrhage chapped, hard swelling of hands and feet, and skin rash and other symptoms. Therefore, for children with recurrent fever, it is necessary to combine the specific clinical manifestations and be alert to the fact that the disease is real when necessary. For 15% to 20% of children without formal treatment of Kawasaki disease can appear coronary artery damage, some children can appear pericarditis, myocarditis, endocarditis or arrhythmia, etc., the serious cases can be myocardial infarction and coronary artery aneurysm rupture sudden death. It is recommended to consult a specialist for a comprehensive assessment of Kawasaki disease, and treatment is required if the diagnosis is clear.