It is undeniable that playing computer games so much can do harm to people. First of all, when people play computer games so much, they can be addicted to them as well as neglect their work and studies. As the situation get worse, such people are likely to be isolated by people and can hardly have helps from others as they rarely spend time with them. Second, by playing computer games so much, people can do bad to their health. By looking at the computer scene for a long period of time, they can catch such diseases as shortsighted, obesity and more seriously, they can have diabetes or high bood pressure, which can do harm to their lives. Last but not least, playing computer games so much can interfere with family's life as when family members play games, they will forget each others and become more drifted away. In short, those are among the disadvantages of playing computer games.