This report provides a comprehensive analysis of Walmart, the world's largest retail store, examining its key functions and organizational structure. The report begins by exploring Walmart's core functions, including its marketing strategies, such as everyday low pricing, efficient supply chain management, and the use of technology like RFID and cross-docking. It then delves into Walmart's organizational structure, which is characterized as centralized and hierarchical, with elements of decentralization at the store level. The report also examines Walmart's human resource management practices, including planning, recruitment, selection, employee retention strategies, training, and career development programs. The organizational structure is further detailed, highlighting the hierarchical levels from store managers to hourly workers, and the use of divisional and matrix structures. The report concludes by emphasizing Walmart's focus on cost efficiency, customer loyalty, and its commitment to providing goods and services at low prices, supported by its organizational culture and values. The report uses the 4 Ps of marketing mix to analyze the product, price, promotion and place of Walmart.