Daoguang multimedia is a tool to store and transmit information by using modern science and technology. The application of multimedia teaching technology in English teaching will greatly promote the effectiveness of English teaching. Multimedia software integrates images, sounds and words, and enables students to learn English in an immersive way through lively forms. So, how to use multimedia to teach English well? First, there must be clear teaching objectives: whether it is traditional teaching method or audio-visual teaching method, every class must have teaching objectives. Only when the teaching objectives are determined can the teaching activities be targeted. Teaching objectives include giving students comprehensive training in listening, speaking, reading and writing through English teaching, and acquiring the ability to understand and analyze language knowledge, so as to achieve the initial ability to use English. Second, give full play to the auxiliary role of multimedia in teaching: an excellent multimedia foreign language teaching software can simulate the foreign language environment on the computer, with vivid images and explanations, so that students can learn English words, pronunciation and grammar on the computer, and at the same time, they can participate in interesting situational training. Multimedia software integrates images, sounds and styles. Give students a refreshing feeling, so that every student can learn the vocabulary and sentence patterns that should be mastered in a class easily and happily, and let students actively participate in on-site English learning through lively forms. So as to make classroom teaching more effective. Third, foreign media courseware must be student-centered. Teachers must design software and programs according to the training direction of students, their current level and their learning needs. For example, in listening training, teachers can cultivate students' listening, speaking and ability, from easy to deep, from easy to difficult, inject interest into life, and can also be accompanied by pictures and music. Let the students learn pronunciation and intonation and practice listening, writing and living. Fourth, pay attention to teaching methods: multimedia intervention in the classroom enriches teaching methods, which can make classroom explanation, demonstration and learning colorful, thus greatly improving students' interest in learning. There are five teaching links in classroom teaching: review, introduction, operation, practice and consolidation. It makes it go smoothly, saves a lot of time, and makes students learn English easily in language situations.