本文从商业模式定义、构成和创新驱动因素入手，阐述了商业模式是企业如何创造价值、传递价值和获取价值的基本原理，由价值主张、盈利模式和运营模式构成。商业模式的创新由新技术、企业间竞争、消费者需求和企业家精神驱动，本文在此基础上构建了PC网络游戏行业商业模式演化理论模型，并结合PC网络游戏行业具体分析其发展三阶段，最后给出了行业未来商业模式创新的可能方向。

Based on evolutional logic, composition and innovation-driven factors of business model, this paper describes the basic principle of corporate business model is how to create value, deliver value and obtain value. Based on existing literatures and case studies, the article finds out that business model made up of “who are we doing for”, “what we offer”, “how to offer” and “how to profit” four key elements, and new technology, competitive pressure, consumer demand and entrepreneurship mainly drive business model innovation. Based on constructing the theoretical model of the evolution of business model innovation, we analysis in detail business model evolution process of Chinese PC online game industry. Finally, it gives the possible direction of business model innovation of PC online games industry in the near future.