Nowadays the relationship between parents and children encounter the impact from the internet, especially among those out of control teens. Our lives changes because of the internet, it provides us convenient patterns of life style and wide relationship from all over the world, coming up with danger and risk as well. A lot of teens are indulged in computer games and Virtural world they set up. They chat with so called friends at the internet, tell them privacy and have friends with somebody through friends’ friends. The teens always more easily trust internet friends than their parents and tell them his trouble and bad mood. Set up their profile on “facebook” and ‘myspace”, chat on net and stay up late. Gradually teens think that parents have less in common with them. They go out to meet somebody for the blind date and actually know little about the person in the real world. It is good when parents are aware of this earlier and do some thing to save it.  Tragedy occurs a lot on those teens that are cheated, abused, raped, tortured and killed. It is an alarm for those parents who gradually lose communication with your child. Not only caring the physical health, but also the mental health is vital.