New retailing refers to companies relying on the Internet to upgrade and transform the production, circulation, and sales processes of commodities through the use of advanced technology such as big data and artificial intelligence, thereby reshaping the business structure and ecosystem, and providing online services. It is a new retail model that integrates offline experience and modern logistics deeply. New media marketing is an increasingly vigorous marketing model, and more and more industries have begun to participate in it, including warehouse supermarkets. This article will start from this point and discuss how warehouse supermarkets can use new media to market under the background of new retail. This study found that warehouse supermarkets can increase their awareness and sales in the short term through influencers, but this approach does not provide the company with long-term sustainability. To avoid the possible negative effects of influencer marketing, the company inevitably needs to establish brand image and customer loyalty. Underlying the rapid development of China's e-commerce, it can be possible to conduct more research in the future on how to conduct new media marketing while also establishing a brand image faster and ensuring customer retention.