电子商务的引入不仅带来了经济模式的改变,也给行业竞争结构带来了巨大冲击。文章以波特的五种力量模型为基本分析框架,从顾客、竞争者、供应商和潜在进入者等市场参与者的角度,详细分析了电子商务环境下顾客议价能力、企业竞争模式、流通领域革命、虚拟采购、虚拟制造以及行业壁垒等行业竞争结构影响因素的变迁。 The introduction of e-commerce not only brought about the change of economic model, but also brought a huge impact on the competitive structure of the industry. Based on the five power models of Porter as the basic analysis framework, this essay analyzes in detail the customer bargaining power, the competition mode and the circulation field of e-commerce from the perspective of market participants such as customers, competitors, suppliers and potential entrants. Revolution, virtual procurement, virtual manufacturing and industry barriers and other industries competition structure changes.