Clinical manifestations of Kawasaki disease include fever, conjunctivitis of the eyes, lip and oral discomfort, hand and foot discomfort, skin abnormalities, cervical lymph node enlargement, etc. Complications of the cardiovascular system may occur in some patients. 1. Fever: it is in the form of arrested fever or flaccid fever, and the body temperature can reach 39～40℃, which usually lasts for more than 5 days, and antibiotic treatment is ineffective. 2. Conjunctivitis of the eyes: mostly appear after 3 to 4 days of illness, manifested by red eyes, mostly without purulent discharge, which can be dissipated after the fever subsides. 3. Lip and oral discomfort: including diffuse congestion of the oral mucosa, congested and cracked lips, protruding tongue papillae, congested tongue papillae, and so on. 4. Hand and foot discomfort: palmoplantar erythema and hard edema of the hands and feet may appear in the acute stage, and there may be membranous desquamation next to the toenails in the recovery stage. 5. Skin abnormalities: most of them appear in the first week of the disease, manifesting as scarlet fever-like rash and erythema multiforme. 6. Enlarged cervical lymph nodes: the surface is not red, may have tenderness, and may appear unilaterally or bilaterally. 7. Cardiovascular complications: such as myocarditis, endocarditis, pericarditis, etc. Coronary artery damage may also occur. 8. Other: such as irritability, diarrhea, abdominal pain, nausea, cough, arthralgia and so on. Patients with the above symptoms, suspected the existence of Kawasaki disease, should promptly consult a doctor to improve the relevant examination, such as blood routine, C-reactive protein, immunological examination, so as to clarify the diagnosis of the disease, do not blindly judge, so as to avoid delaying the condition.