Abstract: Purpose/Significance With the development of digital economy, platform monopoly has become a key topic in the field of anti-monopoly law enforcement in recent years. Because of its special bilateral market mechanism and free service, platform economy has encountered difficulties in the traditional SSNIP enforcement mode. Competition policy is important to regulate economic development. While regulating monopoly, the positive role of protecting economic model on economy must be taken into consideration. Design/Methodology This paper summarizes the development of competition policy on platform monopoly. Then the empirical clues of the impact of platform monopoly on the economy from the empirical economic research of the impact of data on innovation are found. And a Schumpeter macroeconomic growth model is applied to analyze the impact of platform monopoly on the market structure. Findings/Conclusions Monopoly platform investment is over concentrated on mining the special knowledge in data, which makes the investment structure unreasonable, and destroys the scale economic effect of platform economy. This paper summarizes the theoretical basis from the research results of domestic and foreign platform monopoly regulation and puts forward policy suggestions for the regulation of platform monopoly competition policy.