开展新生儿群体筛查先天性甲状腺功能低下症(CH)和苯丙酮尿症 (PKU)是我县的一项优生优育工程。血样的采集、保存虽经培训 ,但仍存在一些具体问题 ,需进一步加强各环节的工作质量。1　资料与方法1.1　资料来源于设立在我院的县新生儿疾病筛查中心。1999年 9月～ 2 0 0 2年 11月 Neonatal screening for congenital hypothyroidism (CH) and phenylketonuria (PKU) is a prenatal and postnatal care project in our county. Although blood samples have been collected and preserved, there are still some specific problems that need to be solved. The quality of the work in various fields needs to be further strengthened. 1 Materials and Methods 1.1 Data from the county set up in our hospital Neonatal Disease Screening Center. September 1999 ~ November 2002