本文回顾了国外有关聋生语音编码的研究 ,发现结论不尽一致。有研究表明聋生阅读存在语音编码 ,但也有不少研究证实聋生不存在语音编码。笔者对导致分歧结论的原因作了分析 ,在此基础上 ,提出了聋生语音编码的未来研究趋向 This article reviews the foreign studies on speech coding of deaf students and finds that the conclusions are not consistent. Studies have shown that speech coding exists in deaf students reading, but there are many studies have confirmed that there is no voice coding deaf students. Based on the analysis of the reasons leading to the disagreement conclusion, the author proposes the future research tendency of speech coding for deaf students