With the continuous progress of modern science and technology, multimedia teaching has become a new type of classroom teaching. The intervention of multimedia technology has greatly enriched the way and structure of English classroom teaching. Its teaching content is combined with audio and video. Visualize the abstract and boring content by creating a good teaching situation. In order to stimulate students' interest in learning, deepen students' understanding and memory of the knowledge taught. It has incomparable advantages in traditional teaching. In this paper, the author from the necessity of the multimedia in English teaching and is explained in the current English teaching practice, the application of multimedia in English teaching and the whole education career has a powerful role in promoting, at the same time for how to use multimedia teaching means, improve the effect of the multimedia teaching is also in this paper, we study the main problems.