目的对昆山市2009年1 543例手足口病的流行病学特征进行调查。方法对1543例手足口病病例进行流行病学分析。结果发病年龄以6岁以下(90%以上)多见,1~3岁占61.70%;男性患儿多于女性;发病高峰为5—7月;55.73%患儿发病前有流行病学接触史或可疑接触史;患者的临床表现典型,有发热、口腔溃疡、手、足和(或者)臀部疱疹。少数患儿并发无菌性脑膜脑炎(0.52%)、肺炎(4.08%)和肠炎(3.50%),8例重症,无死亡病例。结论手足口病只要早期发现。早期诊断,及时治疗,给予重视,预后良好。 Objective To investigate the epidemiological characteristics of 1 543 hand-foot-mouth disease in Kunshan in 2009. Methods 1543 cases of hand, foot and mouth disease epidemiological analysis. Results The age of onset was more common in children younger than 6 years old (over 90%) and 61.70% in children aged 1 to 3 years. There were more males and females than those in females. The peak incidence was in May-July. The incidence of epidemic history was 55.73% Or suspicious history of exposure; the patient’s clinical manifestations are fever, mouth ulcers, hand, foot and / or hip herpes. A small number of children complicated by aseptic meningoencephalitis (0.52%), pneumonia (4.08%) and enteritis (3.50%), 8 cases of severe, no deaths. Conclusion Hand, foot and mouth disease as early as possible. Early diagnosis, timely treatment, give attention, the prognosis is good.