Abstract: As an important member of the Party's first generation of collective leadership who presided over the national financial work for ages, Chen Yun attached great importance to the enterprise management.From receiving the puppet companies of liberated areas in Northeast before the founding of PRC to presiding the socialist transformation of capitalist industry and commerce after the founding of PRC, he made a series of principles, such as correct treatment of staff of the received enterprises, implementation of enterprises and management democratization, promotion of fixed-rate system, relying on the masses, improving enterprise management system, setting up a business management system and so on.He also paid much attention to improving the working relationship between public and private as well as enhancing product quality.These ideas not only played an important guiding role before the founding of PRC and in the period of planned economy, but also provided a strong reference for deepening SOE reform and establishing the modern enterprise system under market economy.