This new technology in the presentation of teaching content, creating teaching situation, mobilize students a variety of senses, so that students learn more intuitive, vivid aspect has its unique role. This computer Multimedia, in some areas, some schools, some teachers admirer of multimedia tools, and even the use of modern teaching methods as one of observation and evaluation criteria. It should be said, a positive attitude is understandable in view of a new thing, but if regardless of the actual multimedia design and production, any "overstating" the status and role of multimedia technology in the classroom, is bound to bring some negative effects. Multimedia central control system: Modern society has entered the electronic information age, as well as increasing the use of audio-visual equipment, networks, multimedia computers and other automated electronic environment adjustment facility, making the match with remote facilities abound. In the multi-functional, high standard of multimedia systems, users often because too many controls into a confused state of embarrassment. The central control system we use is to establish communication with the computer network technology brings together audio, video, monitoring, environmental control is equal to one, simply by a control panel - a touch screen or push-button panel, it can make a huge control system all hands, completely get rid of the cumbersome switching and remote control. Touch can change the external environment, choose the multimedia source controls all operations to fine-tune the image feedback are teaching, make sure that instruction to be executed. Speakers convenient ease throughout the process control environment of the scene, in order to achieve the best results. We control equipment according to the type, quantity, feel free to select the appropriate multimedia system configuration, any additive or expansion. Full Chinese interface, easy to use color graphic buttons, reliable, can do a single push button single-function program, according to system requirements and the preparation of a number of joint functions of the program, simply press one or two buttons to complete a series of operations so complex and cumbersome control becomes simple, intuitive and easy to understand. Multimedia speakers, Wuhan Jiuhua video (Certified), multimedia video provided by Wuhan Engineering Co., Ltd. Jiuhua. Video Jiuhua Wuhan Engineering Co., Ltd. (www.jowa-tech.com) is a leader in Wuhan, control and adjustment of the equipment, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs . Jiuhua video in Wuhan leadership with the staff warmly welcome all inquiries negotiations to create video Jiuhua Wuhan better future.