.whiteboard in bedroom.Whiteboard technology integrates text, sound, picture and image into one. It is a new type of teaching method. Compared with traditional blackboard teaching, the visual effect of whiteboard is remarkable. The teaching functions of color, annotation, screen capture, hiding, animation, etc. can greatly Attracting the attention of primary school students with interest first can often highlight key difficulties in teaching, so that students can pay more attention to key points and difficulties, so as to break through the key points and difficulties one by one, and help students to better understand the sentiment articles. For example, when teaching "The Old Man and the Seagull", I skillfully used the functions of the electronic whiteboard, the searchscope, and the pull screen to emphasize the key parts of the knowledge. These methods and functions effectively used the students to meet the needs. Attention to the attention of the students, which will lead to deep thinking of students, students will have a deeper understanding of these key parts.