我们于1997年6～10月对舟山市21个乡镇和城区4个街道的0～2岁儿童进行了先天性心脏病(先心病)调查,取得了海岛地区儿童先心病发病情况的第一手资料,结果报告如下.1 资料与方法1.1 调查对象 舟山市城区4个街道和21个乡镇1994年6月1日～1997年5月31日期间出生的所有存活儿童共计6898名,实际调查6605名,受检率为95.75%,男3402名、占51.5%,女3203名、占48.5%. From June to October 1997, we investigated congenital heart disease (CHD) in children aged 0 ~ 2 in 21 townships and 4 streets in downtown Zhoushan and obtained the first-hand information on the incidence of CHD in island areas Data and results are reported as follows: 1 Materials and Methods 1.1 Surveyed 4 streets and 21 townships in the urban area of ​​Zhoushan City A total of 6,898 surviving children born between June 1, 1994 and May 31, 1997 were surveyed with 6605 , The rate was 95.75%, 3402 male, accounting for 51.5%, female 3203, accounting for 48.5%.