When Internet businesses bring unprecedented development opportunity for enterprises, the enterprise also face a great challenge. Internet business can not only change the business model, but also change the industry structure and even change the market operation mode. Therefore, the enterprise must deeply understand the changes that the Internet businesses bring to the market and the industry, making strategic adjustments timely. In view of this, this article makes a systematic and in-depth analysis on Internet business environment, industrial structure and competitive strategy in the domestic and abroad, and gives research areas and themes to provide reference for further research in this field.