The formation of interest in learning is the foundation of active learning and the most real and active psychological factor. For students, interest should be the best teacher and the greatest motivator for learning. Information technology can make students' pictures lively, full of sound and emotion, and provide various information such as sound, light, and photoelectric. As soon as students enter the multimedia classroom, the 'first attraction' generated by different media captures their attention, arouses their curiosity and arouses their keen interest. The unique appeal of this supplemental teaching comes to the fore when teachers bring this interest into the curriculum.