先天性心脏病是儿科最常见的心脏病,是指心脏或大血管大体的结构异常,对心功能产生了实际或潜在的影响,它是导致新生儿死亡的主要原因之一,又给社会造成了严重的经济负担。美国许多较大的儿童特护中心25～30％的病床被先心病患儿占用,花费了大量的儿童保健资源和费用。所以了解先心病的发病率及各种类型先心病的发生 Congenital heart disease is the most common heart disease in pediatrics, refers to the general structural abnormalities of the heart or large blood vessels, have a real or potential impact on cardiac function, which is one of the main causes of neonatal death, but also to the community A serious financial burden. Twenty-five to thirty percent of beds in many of the larger child care centers in the United States are occupied by children with congenital heart disease and spend significant amounts of child care resources and fees. So to understand the incidence of congenital heart disease and various types of congenital heart disease