目的:提高对1岁以下婴儿川崎病的认识。方法:回顾分析1岁以下婴儿(低年龄组)及≥1岁川崎病或疑似川崎病患儿(高年龄组)临床资料、实验室检查结果并进行对比。结果:<1岁婴儿男性更易患病;低年龄组与高年龄组男女比例分别为2∶1和1∶5。结论:提高对1岁以下婴儿川崎病的认识,早期诊断,及时治疗,可改善预后。 Objective: To raise awareness of Kawasaki disease among infants under 1 year old. Methods: The clinical data, laboratory findings and comparative analysis were analyzed retrospectively in infants under 1 year old (low age group) and children aged≥1 years with Kawasaki disease or suspected Kawasaki disease (high age group). Results: Males <1-year-old were more susceptible to disease; the ratio of males to females was 2: 1 and 1: 5 in the low-age and high-age groups, respectively. Conclusion: To improve understanding, early diagnosis and timely treatment of Kawasaki disease in infants under 1 year can improve the prognosis.