E-commerce, referred to as e-commerce, refers to the trading activities and related service activities carried out on the Internet or electronic transactions, and is the electronization and networking of all links in traditional commercial activities. E-commerce includes electronic currency exchange, supply chain management, electronic trading market, online shopping, online marketing, online transaction processing, electronic data interchange (EDI), inventory management and automatic data collection system. In this process, the information technology used includes Internet, World Wide Web, e-mail, database, electronic directory and mobile phone. This major is still good, come on.