目的探讨超声诊断胎儿先天性神经管畸形的临床价值。方法对3696例在14～40孕周的孕妇进行超声检查。结果经超声检查发现胎儿先天性神经管畸形19例,主要有无脑儿、脑积水、脊柱裂、脑膜脑膨出、脉络丛囊肿、全前脑畸形等类型。结论超声检查可作为诊断胎儿先天性神经管畸形的首选方法。 Objective To investigate the clinical value of ultrasonic diagnosis of congenital neural tube defects in fetus. Methods 3696 pregnant women in 14 ~ 40 gestational weeks were examined by ultrasound. Results Ultrasound examination found that 19 cases of fetal congenital neural tube defects, mainly without brain, hydrocephalus, spina bifida, meningocele, choroid plexus cyst, anterior whole brain deformity and other types. Conclusion Ultrasonography can be used as the first choice for the diagnosis of congenital neural tube defects in the fetus.