Objective To develop screening of phenylketonuria(PKU) in the newborns to decrease incidence of disability and raise quality of the population in our country.

• 目的开展新生儿苯丙酮尿症的筛查,降低残疾儿童的发生率,提高我国人口素质。方法用荧光法测定新生儿滤纸干血片上的苯丙氨酸浓度以筛查苯丙酮尿症。