为了解学龄前儿童冬季患病情况以便早期干预,笔者于2009年10月1日~2010年1月31日对我院门诊就诊的2943名学龄前儿童进行了为期4个月的专题调查,现将调查结果报道如下。1对象与方法1.1对象2009年10月1日~2010年1月31日在双沟中心卫生院内科门诊就诊的所有学龄前(2003年1月1日以 To understand the prevalence of pre-school children in winter for early intervention, the author conducted a 4-month special survey of 2943 preschool-aged children attending our hospital from October 1, 2009 to January 31, 2010 The survey results are reported below. 1 Subjects and Methods 1.1 Subjects October 1, 2009 ~ January 31, 2010 in Shuanggou Central Hospital medical clinic out of all pre-school (January 1, 2003 to