Abstract: The value ecosystem created by the Internet platform has a far-reaching impact in the fields of optimizing resource allocation, promoting cross-border cooperation, promoting industrial upgrading and broadening the consumer market. With the advantages of long-term data resource accumulation and the development characteristics of the Internet, platform enterprises have a natural trend of monopoly concentration. At the same time, the Internet platform is accompanied by the capital's motivation to blindly pursue profits, which also leads to the abuse of its monopoly position and the loss of social welfare. In this context, this paper studies this new economic business form: Through the analysis of the traditional enterprise monopoly mode, this paper clarifies the basic law of platform enterprise competition and clarifies the objectivity of the monopoly concentration trend; By combing the unique attributes of the development of Internet platform enterprises, this paper clarifies the formation logic and self-strengthening mechanism of platform market monopoly structure; Focusing on the economics category of fair market competition order, define the negative impact caused by the monopolistic behavior of the Internet platform; Face the dilemma of market failure and uncoordinated system failure in the platform economy, provide suggestions for improving the antitrust regulation system of China's Internet platform, ensure that consumers can share the dividends brought by innovation and competition, and create a fair and dynamic platform market environment.
