1. Flexible and diverse presentation methods. With the support of information technology, what teachers need to show students is no longer limited to blackboard books, objects, wall charts and slides, but can be presented to students flexibly and vividly in the form of text manuscripts, picture files, audio-visual files, animations and hypermedia links. By stimulating a variety of senses, we can consolidate our memory and deepen our understanding. Second, optimize the teaching design. The application of information technology enriches and makes teachers' teaching design more reasonable, giving teachers a broader development space. With the support of information technology, many teaching links, such as the formulation of teaching objectives, the allocation of teaching resources, what kind of teaching strategies and methods to adopt, what kind of teaching structure to arrange, and information feedback, have undergone great changes. \x0d\ III。 Change the way students learn. The change of presentation mode and teaching design will inevitably bring about the change of students' learning style. In the teaching process, students are the main body, and teachers are the guides and helpers of students' learning. Students can realize the self-meaning construction and reorganization of new knowledge through autonomous learning and group discussion, deepen their understanding of old knowledge, and cultivate their abilities of observation, practice, analysis, language generalization and innovation, thus improving their ability to integrate theory with practice and solve practical problems with scientific knowledge. Greatly stimulated students' interest in learning and thirst for knowledge. It has well mobilized students' enthusiasm and initiative in learning. \x0d\ Change "I want to learn" into "I want to learn" to make students "like learning", "love learning" and "be good at learning". The learning effect is very good. \ x0d \ v. Strengthen the interaction between teachers and students \x0d\ VI. Timely and effective classroom feedback. \x0d\ This class gives me the feeling that the teaching design is good, the students' learning effect is good, the teacher is listening to the class, and the overall effect is good.