| With the development of computer, the technology of multi-media has been introduced classroom and become an effective and important way of education. After several years of innovation and development, multi-media is not only widely used in the computer field but also various other fields which associated with computer. It can greatly increase the computer's features, because it can get text, sound, images, numbers and other information together. In the field of teaching, it has been further expanded and in-depth. Abstract formulas, text, symbols become more lively, intuitive and easy to be understood and mastered by students, through the application of multi-media. By the help of multi-media in the teaching, you can create a realistic teaching environment, create a lively atmosphere of teaching and mobilize the enthusiasm and the desire for knowledge of the students. Multi-media has five characteristics, such as map, text, sound, images, video, the knowledge which is abstract and hard to be understood can be transformed into the image of the screen. Multi-media can stimulate curiosity and interesting of learning from the perspective of special, which can significantly improve the efficiency and quality of classroom teaching. Base on this, the stylish multimedia-assisted teaching and practical approach has been adopted by more and more teachers, and gradually developed into an essential teaching component. In the field of vocational and technical education, multimedia technology has been introduced classroom teaching and other related activities, which promote reform of vocational education in schools.In most secondary vocational teaching, the majority of students are usually more emphasis on specialized courses of study, the basic course of study of relative neglect, such as language, mathematics and some other basic subjects, especially mathematics. However, mathematics, as the foundation for all science, is very importance. Therefore, to improve mathematics teaching and learning is particularly important. For vocational and technical schools, source composition is more complex, there are from all over of the world, especially in the more economically underdeveloped regions, in the regions, they are poor basis and have different study habits, learning interesting , learning attitude, learning methods. Facing them , some teachers, will be difficult in the teaching process. In this case, we often get a multiplier impact if we apply multimedia teaching methods. So we can improve the quality of teaching and teaching effectiveness if we conscientiously study and master the multimedia technology and apply to vocational school teaching. |