Games on the internet have a lot of sounds and vivid images, so they attract the curiosity of children of all ages, but they have to know how to choose the right games, with violent killing games. force, or offensive images should be avoided, because it will greatly affect their thinking and personality formation. We should not forbid children from using computers and the internet, they can use them for entertainment but must know how to spend time properly, they should not sit for hours on computers just to play the game, that will waste a lot of time and money. Those free time after school they can do more useful things, they can spend to review what they have learned, do homework to help our learning achieve more results. good fruit; helping grandparents, parents with housework,… so the children showed their gratitude to their parents, who had the merit of raising and taking care of us. Moreover, when children often sit and play computer games, it will greatly affect our health, make us lose focus on studying, harm our eyes...