“上课如备战,备课如战前准备”.备好课是上好课的前提,对保证课堂教学的质量,对积累教学经验和提高教学水平都具有决定性意义.笔者在十多年的教学实践中深深地体会到:备好物理课应从下列十个方面着手. “If you prepare for classes, prepare for classes like preparing before the war”. Preparing for classes is a prerequisite for taking good classes. It is of decisive significance for guaranteeing the quality of classroom teaching, for accumulating teaching experience and improving teaching level. The author has been in more than ten years. In the teaching practice, I have learned deeply: Prepare physics courses should start from the following ten aspects.