费厄斯坦的中介理论将教学过程中的学习者视为积极的意义建构者和问题解决者,将教师作为学生获取知识的中介者,进而阐明学生在学习过程中的主体地位,教师的介入作用。本文基于费厄斯坦的中介理论剖析英语教学中教师的中介作用。 Feistein’s mediation theory regards the learners in the process of teaching as positive constructors and problem-solvers, using teachers as intermediaries for students to gain knowledge, and then clarifying students ’dominant position in the learning process and teachers’ intervention . This article analyzes the teacher’s mediation role in English teaching based on Feistein’s agency theory.