At present, China is in the period of the real economy transition. Based on the Internet, the new retail mode of deep integration of online and offline provides an innovative breakthrough for economic transformation and became the future development tendency of China's retail industry. This paper summarizes the relevant reviews of supply chain integration, integration synergy and integration decision-making mechanism at home and abroad, in order to further explore the research direction of dual channel supply chain integration and provide a theoretical basis for dual channel integration decision-making.