①目的研究腭裂病人病理性语音产生的原因、特点及治疗方法。②方法应用鼻咽镜同步录音录像、计算机语音频谱分析及临床发音对４５例腭裂病人术后的病理性语音进行研究，采用腭咽阻塞器配合语音训练进行治疗。③结果４５例病人的病理性语音全部得到改善，其中３３．３３％（１５例）的病人取出腭咽阻塞器后发音正常。④结论提出了腭裂汉语语音病理学的概念，指出腭咽阻塞器配合语音训练是治疗病理性语音的有效方法。 Objective To study the causes, characteristics and treatment of pathological speech in patients with cleft palate. ② Methods Nasopharyngeal simultaneous recording and recording, computer voice spectrum analysis and clinical pronunciation of 45 cases of cleft palate patients after pathological speech study, the use of velopharyngeal obstruction with voice training for treatment. Results The pathological speech of all the 45 patients was improved. Among them, 33.33% (15 cases) of patients had normal uterine palate obstruction. ④ Conclusion The concept of Chinese phonopathology of cleft palate is pointed out, and palatoplasty occluder with voice training is an effective method to treat pathological speech.