Kawasaki disease has an unclear pathogenesis, primarily manifesting as systemic vasculitis, frequently affecting the coronary arteries. Clinically, it is characterized by fever, typically a high fever lasting seven to fourteen days, and is unresponsive to antibiotic treatment. Other symptoms include conjunctival congestion, cracked lips, diffuse oral congestion, and strawberry tongue. In the acute phase, there might be hard edema and erythema development, with polymorphous erythema and scarlatiniform rash typically on the trunk. Additionally, unilateral or bilateral cervical lymphadenopathy with tenderness can occur. Generally, coughing is rare and may be due to other infections like upper respiratory infections in children with weaker immunity.