Abstract: The analysis and research on the investment and management of manufacturers in economics is based on the firm theory. The development of firm theory from the production technology function of neo-classical economics to the transaction cost theory of modern economics is the result of economics moving from blackboard to reality. With the expansion of internet applications, the integration of big data, the Internet and artificial intelligence is promoting the investment and management of manufacturers to form a network coordination pattern. The research of economics theory will be faced with the following topics: how to understand the formation process and Mechanism of network cooperative; how to explain the new science and technology foundation of network cooperation at present stage; how to analyze the influence of network cooperation on firm’s investment and management; how to interpret the future development of network cooperation.The research of these topics will undoubtedly become an important part of rebuilding manufacturers’ theory.