本文在简述各类口试形式的基础上 ,从口试效度与信度的角度探讨口试的真实性问题。直接口试与间接口试在效度与信度方面各有其优劣。折衷的半直接口试得到语言测试人员的推崇。然而 ,如何看待半直接口试乃至其他口试形式的的真实性呢 ?本文认为对口试真实性的检验不能仅仅停留在考试能否再现实际语言运用情景上。口试的真实性应反映在对被试能力结构的恰当界定及考生与考试任务之间的交互作用上 Based on the brief description of all kinds of oral exams, this article discusses the authenticity of oral exams from the perspective of oral validity and reliability. Direct oral and indirect oral test in the validity and reliability have their own advantages and disadvantages. Eclectic semi-direct oral test to get the praise of language testers. However, how to treat the authenticity of semi-direct oral examination and other forms of oral examination? This paper argues that the test of the authenticity of oral examination can not only stay in the test can reproduce the actual language use scenarios. The authenticity of the oral test should be reflected in the proper definition of the subject’s ability structure and the interaction between the candidate and the test assignment