Improving students' self - learning ability. The purpose of teaching in the classroom is not only to impart knowledge to students. The most important thing is teaching students how to learn and making students change from "want me to study " to "i want to learn " in thinking, from passive learning to active learning. Therefore, students are free from the passive learning environment, take initiative at learning, and develop their own self-learning good habits gradually. It also can enable students to tap into a good way of learning English independently, keep the cultivation of motivation and interest in learning English so as to make students really love the English, really free from the passive learning environment in English learning. The use of multimedia will be conducive to transition for students from the traditional passive learning to active state for independent study. For example , teachers can select the appropriate E-work arrangements to the student from the multimedia courseware after class, so that they can complete the relevant extra-curricular work, and sent message to the teacher through their own e-mails, the teacher via electronic W-mail marking responses to student. In This way, students can not only see their learning outcomes in the shortest period of time, but also continue stimulating interest in their own learning through the multimedia network.