.5 x 4 whiteboard.In the lower grades of elementary school, literacy teaching is the main task of Chinese teaching, and the use of interactive whiteboards can make writing teaching more convenient and faster. For example, when teaching the words "Ding Ding Dong Dong Xue Li Zi", the author uses the electronic whiteboard to quickly and easily call up the writing character grid, and select the pens needed, including the thickness and color of the pen, and then demonstrate By modifying the function, the written new words are made more beautiful, and then the playback function is used to let the students perceive the strokes and the structure of the Chinese characters. At this time, the students are eager to try and they are raising their hands to write a competition. This kind of writing teaching breaks through the difficulties of writing teaching, which saves time and mobilizes the enthusiasm of students. In this teaching session, students gain an opportunity to participate in practice, fully embodying the new curriculum concept of interaction and participation.