The significance of peer observations has been emphasized in English language teaching as a powerful tool to support understanding and development of one's teaching beliefs and actual practice.This thesis first presents the position and necessity of employing peer observation in teacher's professional development with reference to the literature,and then it outlines the process of the author's implementation of peer observation in classroom in terms of pre-,during-and post-observation.Data interpretation provides more insights into the strengths and problems of the author's classroom teaching and arrangement,and the possible solutions accordingly.
