To develop primary and secondary school English teachers'language proficiency,it is necessary to comply with the reform trend of the core competency in English,and to convert teachers'role between language learners and educators,which can realize the internal fit of knowledge,ability,culture and thinking.As general English learners,professional English learn-ers,and English teachers,primary and secondary school English teachers will have different language proficiency levels or ref-erence standards,but they need to always focus on"whom to teach","what to teach",and"how to teach".In this study,the development framework of"two-level,four-dimensional,six-field"language proficiency development framework for English teachers in primary and secondary schools not only reflects the professionalism of different identities,but also reflects the benchmark of the English curriculum reform in basic education.At the same time,it has practical guidance for the pre-service training of English teachers,which is conducive to creating high-quality,professional and innovative English teachers.