Game theory is a relatively complete theoretical system about decision-making process, standards, types and methods, which comprehensively applies system theory, operational research and computer science developed after the Second World War to management decision-making. Game theory refers to the discipline of studying the strategies of multiple individuals or teams in the game and implementing corresponding strategies under certain conditions. Sometimes called game theory or game theory. It is a theory and method to study phenomena with the nature of struggle or competition. It is a branch of applied mathematics, a new branch of modern mathematics and an important subject of operational research. At present, it is widely used in biology, economics, international relations, computer science, political science, military strategy and many other disciplines.