.how to make a whiteboard video.3 highlighting key difficulties and effectively breaking through the bottleneck. The visual effects of electronic whiteboard technology are remarkable. The teaching functions such as color, annotation, screen capture, hiding, animation, etc. can greatly attract the attention of low-grade primary school students with interest first. On this basis, teachers It is also possible to use the theory of multiple intelligences to flexibly and flexibly apply these whiteboard techniques. It is often possible to highlight key points and difficulties in teaching, so that students can pay more attention to key points and difficulties, thus making breakthroughs in key points and difficulties, helping students to better A good understanding of the sentiment article. For example, in the literacy teaching of each class, the electronic whiteboard records the writing process of the difficult writing by the teacher, and plays back the process of writing Chinese characters at any time during teaching. If students have doubts during their own practice, they can call the resources in the whiteboard at any time, while watching and practicing, further clarifying the strokes and strokes of Chinese characters, effectively breaking through the difficulty of writing Chinese characters.