With the emergence of E-commerce, more and more enterprises are willing to sell their products through the Internet, which saves the rent cost of setting up shop on the spot, and also reduces the information cost, business cost and logistics cost. The large-scale application of electronic commerce makes it more convenient for merchants to obtain all kinds of information, and the sources of information are more extensive, true and reliable. Under the new e-commerce model, different merchants can communicate and negotiate business by means of video conference or E-mail, which not only makes communication more convenient, at the same time can also reduce the cost of business in a wide range. In addition, the emergence of e-commerce can make some virtual products sold on the network, such as graphics and text, audio materials and other network virtual services, can be transmitted in the form of the network, this saves on logistics costs. In the process of international trade, whether as a seller or a buyer, foreign trade enterprises have to determine trade intentions, sign trade contracts, and complete transactions have to spend a lot of human, material and financial resources. In this process, enterprises need to arrange special personnel to go abroad to understand the research market, analyze market conditions, participate in product promotion meetings, issue product advertisements, find trade partners, negotiate trade matters, and more, there is also a need to establish a foreign presence. And the opportunity that electronic commerce brings to Shenzhen Foreign Trade Enterprise is the operation cost that reduced an enterprise.