评课是对课堂教学得失的总结,是对课堂教学成败的分析,是对课堂教学改革的评价。评课的目的在于提高、升华和导向,教师从评课中受到启示,在实践中再提高;评课者从评课中受启示,在理论上再升华;课堂教学经过 Teaching evaluation is a summary of the pros and cons of classroom teaching, is an analysis of the success or failure of classroom teaching is the evaluation of classroom teaching reform. The purpose of the course is to improve, sublimation and orientation, teachers are enlightened from the course evaluation, and then increased in practice. The course evaluators are enlightened and theoretically sublimated;