1.we can relax ourselves by playing computer games after study for a long time.(长时间学习后放松自己)
2.playing computer games can sometimes help develop our intelligence and the ability to solve various kind of problems.（锻炼智力和提高解决各种问题的能力）
3.since too much computer games may do harm to our study or health, so,we need to limit the time for computer games,to some degree,it can improve our self-control ability and discipline`（提高自我控制和管理能力）
4.we can makes friends from different places while playing computer games.（广交朋友）
5.we can have a lot fun and enrich our tedious life..(从中得到乐趣和丰富我们乏味的生活.)
^-^好处暂时只想到这些.