对４３例腭成形术后语言障碍患者和６０例正常构音者的腭咽闭合功能进行了观察，并借助计算机把鼻咽纤维内窥镜对静止位、／ａ／、／ｓ／、／ｍ／的图像作了定量研究。 Pharyngopharyngeal closure was performed in 43 patients with speech disorders after palatoplasty and 60 normal-sound syndrome patients. The nasopharyngeal fiber endoscopy was performed on the resting, / a /, / s /, / m / The image was quantitatively studied.