中文摘要：

视频网站在近年来发展迅速，伴随着收益的增长，视频版权资源的竞争也变得愈加激烈，直接导致了视频版权价格不断地上涨，购买版权的成本给各个视频网站带来了极大的压力。目标是对视频网站购买版权时的博弈过程进行建模分析研究，运用于博弈论的方珐推导曲版权竞份博弄中的均衡状态。提出了相应的优化竞拍和视频选购策略，视频站点管理者能更好地运用自己手中的资金去购买视频的版权，最大化自己的收益，此外，对合作策略在提高共同收益的同时也为所有合作者带来收益增加进行了证明，合作策略能促进视频网站之间相互合作共赢，进一步优化他们的利润。

英文摘要：

The development of online video websites is getting more and more rapid in recent years. With the increase of their revenue, the cost increases as well because the competition among the websites is so fierce that the price of video copyrights grows fast. The high copyright cost has imposed great pressure on all video websites. A theoretic model was built to investigate the process of video websites＇ copyright game, and game theory was used to help the websites find proper strategies. By bidding and selective video buying according to the strategies, video service providers could make better use of their budget to buy video copyrights, and maximize their own revenue. In addition, it is proved that cooperation strategies not only increase social welfare but also improve all cooperators ＇profits, which implies that cooperation among video websites is a better choice.