Through the study of a variety of applications in electronic commerce, and the various functions of application in electronic commerce and protection, reflects the important role of Web data mining and the necessity and importance in the process of enterprise electronic commerce, especially in the electronic commerce in the process of research and analysis on the problems of safety management, based on network and Web data mining, for the enterprise to the customer's forecast and customer behavior, for customers to provide convenient and convenient choice model, to ensure the stability of the market economy continues to develop, to reduce the risk of the enterprise competition in the market. Web data mining with the constant improvement of network technology and the rapid growth has now become the focus of enterprises, and its powerful Web data mining technology according to use and the effective combination of e-commerce, solve the problems in the process of enterprise operation, improves the application range, expand the space of market competition.