With the progress of social technology and the economy and the development of globalization, supply chain management has become the most important means to help enterprises obtain competitive advantages. This paper takes the impact of supply chain integration on enterprise competitive advantage as the research object. Therefore, the author combs the research literature of supply chain integration and enterprise competitive advantage and refers to other scholars' composition mechanisms of enterprise competitive advantage. At the same time, the author conducted research on the service industry and constructs the supply chain integration enterprise competitive advantage model, based on the literature review and interview analysis results. The author puts forward a series of research hypotheses to test the correlation between the variables in the competitive advantage model. According to the research hypothesis and the characteristics of the service industry, the paper designs a questionnaire and carries on the research, uses statistical software to analyze the data of 133 valid samples, and verifies the feasibility of applying the model to the establishment of the service industry. The test results show that the competitive advantage model is valid for service industry. This study verifies the feasibility of applying the enterprise competitive advantage model to the service industry, which has certain reference value for enhancing the competitive advantage of the service industry.