先天性甲状腺功能低下症（ＣＨ）是儿科常见的内分泌疾病，早期缺乏特异的临床症状，如早期诊断和治疗，可以改善其智力和体格发育的延迟。现将１９８９年７月～１９９７年１２月北京市新生儿疾病筛查中心发现的６７例ＣＨ分析如下。１　资料与方法１．１　筛查对象　１９８９ Congenital hypothyroidism (CH) is a common pediatric endocrine disease, the early lack of specific clinical symptoms, such as early diagnosis and treatment, can improve their intellectual and physical development delay. Now in July 1989 ~ December 1997 Beijing Newborn Disease Screening Center found that 67 cases of CH analysis is as follows. 1 Materials and Methods 1.1 screening objects 1989