Computer bring more convenience, online access to information, published an article, watch movies, online remote virtual learning and other functions, to bring a lot of benefits. It also can keep abreast of the day's latest weather information. News events and tourist information, you can also see the day's newspaper, stocks can stay at home at home, shopping, entertainment and leisure, enjoy the telemedicine and tele-education. Incorrect use of computers, will affect the physical and mental health. Teen long indulge in the online world, you will not know how to communicate and reality occurs after net listlessness and physical discomfort and other symptoms, abandoned their studies and work. So, when we use computers, the Internet must be reasonable, correct use of this high-tech product. Let us better service.