Now, computer games are still a favorite activity. The majority of players are teenagers. These computer games make players are relax and are fun to play. It is a serious problem as soon as possible. There are many effects of computer games addiction. The first effect is unhealthy. Playing computer games for a long time can cause back pain and dizziness. The second effect is lack of social relationship. Such as, a problem of family relationships. The last effect is behavioral problems.