With the return of Huawei Mate60 Pro, domestic consumers" enthusiasm for domestic products has been reignited. At the same time, the sales volume of domestic products on major e-commerce platforms has witnessed rapid growth in recent years. National trend events, online store pre-sales, and live streaming sales have become important ways for consumers to purchase domestic products. However, it is crucial to explore how to leverage the platform economy and the power of e-commerce to transform consumer enthusiasm into consumption habits and encourage consumers to develop a regular purchasing willingness. This study adopts the grounded theory and partial least squares quantitative analysis method to validate the intermediary role of e-commerce platforms in promoting the formation of domestic consumption habits. The study suggests that e-commerce platforms should focus on satisfying consumers" spiritual pursuits by basing their national product sales activities on Chinese culture. This research lays a theoretical foundation for future practices and fills the research gap in this area.