磨课,指教师以某一课时的教学为研究对象,经历不断的实践、反思、再实践,使该课课堂教学不断趋于成熟完美的过程。对于磨课,教师们褒贬不一。有的教师认为,磨课经历多个回合的修改,“作秀”的成分过重;有的教师认为,磨课需要花费过多的时间和精力,难以推广借鉴;也有的教师认为,磨课是化蛹成蝶的蜕变,是促进教师专业发展的有效途径。那么,该怎样发挥磨课的积极作用,教师如何在磨课的过程中获得专业成长呢?一、在磨课中找准专业发展方向在职业发展的不同阶段,教师对课堂教学 Abundance class, refers to the teacher to a class of teaching as the research object, through continuous practice, reflection, and then practice, so that the classroom teaching tends to mature and perfect process. For grinding class, teachers are mixed. Some teachers think that the grinding course undergoes multiple rounds of modification and the composition of the show is too heavy. Some teachers think that the grinding course takes too much time and energy and is difficult to promote; some teachers think that grinding Class is the transformation of pupation into butterflies, is an effective way to promote professional development of teachers. So, how to play the positive role of grinding class, teachers how to get professional training in the process of grinding it? First, identify the professional development in the grinding class in different stages of career development, teachers of classroom teaching