44 cases was treated by prosthetic speech aid appliance (S-A) has studied. This paper descsibed its indication, the location pointed of hard phonation and the treament of speech learning.

• 本文对44例可摘式发音辅助器（S－A）治疗的病例，就适应证，S－A咽塞的位置，S－A和语音治疗等方面的内容进行了研究。