一、要有鲜明的目的性良好的板书设计是为一定教学目的服务的，离开了教学目的，板书设计就失去意义。那种随心所欲的板书，既反映了教育者缺乏明确的教学目的和要求，也是备课不充分的表现，所以应尽力避免。因此，在板书设计之前一定要认真钻研教材，在吃透教材的基础上，遵? First, there should be a clear purpose. A good board design serves a certain purpose of teaching. Without the purpose of teaching, the design of the board would lose its meaning. The kind of free-style writing on board does not only reflect the lack of clear teaching objectives and requirements of educators, but also shows the inadequate preparation of lessons. Therefore, every effort should be made to avoid it. Therefore, before the board design, we must carefully study the teaching materials.