板书是指讲课时在黑板上所写的文字、符号及图表。教师的板书是展开于空间,表现为静态,感知于视觉,以展开知识的“核”而存在于黑板上的艺术。它是整个教学思路和内容的浓缩,是课堂教学的重要环节。正确地运用板书,可以使课堂讲授的重点按一定的形式有条理地展现在黑板上, The blackboard is the text, symbol and chart written on the blackboard during lecture. Teachers’ writing is the art that exists on the blackboard in the space of “static” and “perception” of vision in order to spread the “nuclear” of knowledge. It is the concentration of the entire teaching ideas and content, is an important part of classroom teaching. The correct use of blackboard, you can make the focus of classroom teaching according to a certain form of orderly display on the blackboard,