EOAE has more clinical practical use in diagonosis for SDC, the frequency specificity of DPOAE is valuable for hearing evaluation and helpful for hearing aids fitting on SDC.

• 结论 SDC的EOAE明显异常于正常儿 ,EOAE对SDC的听力诊断具有较高的应用价值 ,DPOAE的频率特异性对SDC的听力评估、助听器选配可能更有意义。