Are you preoccupied with the Internet? Do you avhieve satisfaction by spending a lot of time on Internet? Are you feel depressed or irritable when you are forced to cut down on time or stop surfing on the Internet? If your answers are right, you may be a victim of internet addiction. With the development and popularity of the Internet, it brings us a new convenient life. We depend on the Internet and regard as an indispensable tool for searching abundant information sources, interacting with others, dealing with business, enjoying on-line games. However, some of people hook themselves on the Internet compulsively, and it will make detrimental impact on their lifestyle, health and social life.