can whiteboard be recycled.In the computer classroom, the teacher conducts broadcast teaching through the electronic classroom software, locks the student's computer, the student faces the display, operates according to the teacher's arrangement, or accepts the knowledge transfer. There is less communication and communication between the teacher and the student, only in the practice of the student. At the time, the teacher began to give individual guidance to the students. The classroom atmosphere is dull, and the teacher's personal teaching charm is not enough to stimulate students' interest in learning. The interactive whiteboard technology makes up for the shortcomings of traditional teaching. It not only brings students into the learning atmosphere, but also gives students a direct and real feeling, and uses "spotlights", "playback", "highlighter", Special functions such as ??masking?? emphasize the content of learning, which is more convenient for students to understand and absorb at a higher level. This is greatly beneficial to the motivation and long-term maintenance of students' learning motivation and enhance students' interest in information technology subjects.