Decision theory emphasizes that management is decision-making, which has certain scientific significance. However, it believes that management has nothing but decision-making. The concept of decision-making is defined as a unified concept of management, so that management is limited to a relatively narrow area. The general concept is complete. The concept of management includes not only decision-making, but also basic work such as accounting and statistics, and more of the lower-level personnel need to do "business decisions". The text mainly states:. ['Limitations of decision theory.', 'Decision theory emphasizes the scientific significance of decision-making.', 'The relationship between management and decision-making.', 'Management includes decision.']