Finding the unimaginably great value beneath the surface of big data, more and more industries have considered big data as a kind of strategic resource that can bring huge benefits, including logistics industry. JD.com is taken as an example in this paper to analyze the approaches to enhance logistics and improve the satisfaction of e-commerce users in the logistics system with the power of big data technology. This essay starts with the introduction and literature review of related topics, followed by an analysis of how JD.com leverages big data to improve logistics in areas like warehousing, transportation, and information systems. Then this paper discusses how JD.com uses big data to enhance e-commerce customer satisfaction, such as improving logistics service quality and speed. Hopefully, the advanced methods that JD.com combines big data technology with logistics systems can bring some aspirations to other logistics enterprises and promote the overall development of the logistics industry.