外语学习者都希望自己的发音能够流畅自然,但很多中级以上的学习者发音方面仍存在问题。本篇文章对中级日语学习者在留学期间发音情况的变化进行了调查,应用二语习得的若干理论对学习者的这些变化进行分析和整理,总结变化原因和可以借鉴的方法,探讨中级日语学习者练习和纠正发音的有效途径。最后会对二语习得者的学习策略和外语教学提出相应建议。 Foreign language learners want their pronunciation to be smooth and natural, but many middle school learners still have problems in pronunciation. This essay investigates the change of middle school Japanese learners ’pronunciation during the period of studying abroad, analyzes and sorts the learners’ changes with some theories of second language acquisition, summarizes the reason of change and the methods that can be used for reference, and discusses the intermediate Japanese Learners practice and correct pronunciation effectively. Finally, second language learners learn strategies and foreign language teaching put forward corresponding suggestions.