This essay will introduce how to employ the task-based approach as a teaching tool to promote the interactions between learner-learner in foreign language teaching in terms of three basic phases:the Pre-task,the Task cycle,and Language focus which are involved in task-based learning.Therefore,I am going to give some suggestions to English teachers in China that how to apply these theories to practice in the three stages. This essay will introduce how to employ the task-based approach as a teaching tool to promote the interactions between learner-learner in foreign language teaching in terms of three basic phases: the Pre-task, the Task cycle, and Language Focus which are involved in task-based learning.Therefore, I am going to give some suggestions to English suggestions in English that in to that that to apply these theories to practice in the three stages.