In the category of commodity economy, as one of the various modes of organizational unit, according to certain organizational rules, an organic economic entity generally aims at profit, maximizing the interests of investors, customers, employees and the public, and exchanging income by providing products or services. It is the product of social development, and develops with the development of social division of labor.
Enterprises are the main body of market economic activities; Under the socialist economic system, the coexistence of various enterprises constitutes the micro-foundation of the socialist market economy. Enterprises have three basic organizational forms: sole proprietorship, partnership and company, and corporate enterprise is the most important and typical organizational form in modern enterprises.
Modern economic theory holds that enterprises are essentially "a mechanism of resource allocation", which can realize the optimal allocation of the whole social and economic resources and reduce the "transaction cost" of the whole society.