As a reflective approach to teacher development,Action Research (AR)is gaining significance in education and is especially credited as providing an opportunity for professionals including both teachers and teacher educators to investigate their own classroom practice and improve it,and hopefully bring favorable changes to their classrooms.It emphasizes the role of critical reflection and always involves a problem→hypothesis→resolution cycle or spiral during which teacher researchers exert efforts to explore teaching and learning.By doing action research,language teachers can not only apply theories into practice but also be more reflective,more critical and more open to change in teach-ing approaches and methods.Despite the difficulties that teachers may have in doing action research in their busy life,it is beneficial for teach-ers to be researchers in the long run.