(1)_ business to customer, B2C)

(2) Business-to-business, B2B) between enterprises.

(3) Business to government, B2G).

(4) Consumer-to-consumer e-commerce model (C2C)

(5) Government-to-customer, G2C)B2C) B2C e-commerce (business-to-customer).

Form: Electronic retailing has developed rapidly with the appearance of the World Wide Web. The sales of intangible products and services can be completely carried out through the network, while the delivery of actual products and services still needs to be realized through logistics distribution, which cannot be realized through network transmission. Features: The process is relatively simple, involving fewer institutions, the website forms are diverse, the pages are rich in colors, and various promotional information is provided to attract customers. Application: About 65,438% of e-commerce transactions. Characteristics of Electronic Data Interchange (EDI): Generally speaking, transactions are rational, and the number of transactions is much less than that of B2C, but the single transaction volume is large. B2B process is relatively complex, involving many institutions, certification bodies, taxation, banks and so on. If it is transnational trade, it also involves customs, commodity inspection and other departments. B2B websites have various forms, but the colors of web pages are generally not as rich as B2C. Application: More than 80% of e-commerce transactions, it is the main body of e-commerce. B2G e-commerce (business-to-government) forms: government agencies conduct project bidding and government procurement through the Internet; The government uses e-commerce to manage the administrative affairs of enterprises, that is, issuing management regulations and approving various procedures between enterprises and the government; The government uses e-commerce to issue import and export licenses and handle tax payment, customs declaration, export tax rebate and commodity inspection for enterprises through the Internet. Features: Improve the efficiency of government agencies and make government work more transparent and clean. Application: There are few applications, but as the government uses its own behavior to promote the development of e-commerce, it will definitely grow rapidly. C2C e-commerce model (Customer to Customer,), also known as P2P(Person to Person) form: online personal goods auction, typical examples are Yi Bei online auction in www.eachnet.com and Yi Bei personal goods auction network (www.eachnet.com). Features: virtual big market, which can trade many items, as big as computers and color TVs. As small as stamps and phone cards. G2C e-commerce (government to customers) forms: individual tax payment, social welfare insurance payment, etc. It's all online. Application: It hasn't really appeared yet.