Nowadays, multimedia teaching system has been widely used in a variety of schools. First, it makes teaching more convenient and interesting. Second, students could get more information in class and learn more. Third, it is open to all the teachers and students, and in this way, people can look up for useful materials by themseves. Fourth, everyone who have computer at home can study the project by this kind of teaching system. Nowadays, multimedia teaching system has been widely used in a variety of schools. First, it makes teaching more convenient and interesting. Second, students could get more information in class and learn more. Third, it is open to all the teachers and students, and in this way, people can look up for useful materials by themseves. Fourth, everyone who have computer at home can study the project by this kind of teaching system.