This report presents a comprehensive business case analysis of Xiaomi's marketing strategies. It begins with an overview of how Xiaomi produces high-quality, low-cost products, particularly within the Chinese market. The analysis delves into Xiaomi's value proposition, targeting tech-savvy consumers aged 18-35, and meeting their needs with innovative smartphones. The report then examines the 4Ps of marketing (Product, Price, Place, Promotion), detailing Xiaomi's product range, pricing strategy, distribution channels, and promotional activities. Furthermore, it explores the 4Cs of marketing (Company, Customer, Competition, Communication), analyzing Xiaomi's vision, mission, customer understanding, competitive landscape, and communication methods. The report concludes with an examination of Xiaomi's branding using the 4D model, covering functional, social, mental, and spiritual dimensions. The analysis highlights Xiaomi's commitment to innovation, customer satisfaction, and its ability to offer quality products at competitive prices, making it a significant player in the global smartphone market.