As a salesperson and businessman, the following are some must-read books and must-master knowledge: 1 Psychology of Success: Understanding the nature of human behavior and decision-making helps salespeople better understand customer needs and psychology to improve sales efficiency and customer satisfaction. 2. New Generation of Business Models: Exploring the nature and trends of business model innovation to help businessmen understand the market and competitive environment to find business opportunities and business model innovation. 3. Marketing Management: Master the basic principles and methods of marketing, understand market trends and customer needs, and formulate effective marketing strategies and plans. 4. Financial Management: Master the basic theories and methods of financial management, understand the financial health status and financial risks of the enterprise, and formulate reasonable financial plans and budget. 5. The Art of Negotiations: Understand the basic negotiation skills and strategies, master negotiation skills and psychological tactics, and improve negotiation efficiency and results. 6. Business Model Design and Execution: Exploring the innovation and practice of business models to help businessmen understand the design and implementation process of business models and find business opportunities and business model innovation. Brand Management: Understand the basic theory and practice of brand management, master the basic principles and methods of brand strategy and brand construction, and improve brand awareness and brand image. 8.<< innovative thinking >>: Understanding the nature and methods of innovative thinking can help salespeople and businessmen stimulate innovative thinking and find business opportunities and innovative points in business models. The above books and knowledge are the basic knowledge and skills that a salesperson and businessman must master to help improve sales efficiency and customer satisfaction to achieve business success.