In summary, this study has found that the incidence of CAL in children with Kawasaki disease is 18.38%, and being male, aged ≤2 years, duration of fever ≥10 days, Hb ≤105 g/L, and CRP ≥100 mg/L are the risk factors of CAL in children with Kawasaki disease. The gene discussed is GSTM1; the disease is Kawasaki disease.