JD is a comprehensive online retailer in China, one of the most popular and influential e-commerce websites in the field of e-commerce in China. It sells millions of high-quality products from tens of thousands of brands in 12 categories online. JD takes "products, prices, and services" as its core, committed to providing consumers with high-quality goods and discounted prices and leading the online retail market through continuously optimized services. In the current era, with rapid technological development, diverse marketing strategies, and business operation models emerging one after another, and fierce brand competition, JD.com has kept up with the trend of economic development and achieved remarkable achievements under the pressure of huge competition and updating iterations. JD's unique marketing strategy and business model have contributed to its success. We have studied and analyzed JD's secret to success from the perspectives of 4P and 4C.