Direct marketing is the key application areas of data fusion and data mining, because the immediate marketing industry collecting large amounts of data about sales, customers shopping history, transportation, usage and services. Especially since the Web or e-business activities become much more convenient, the quantity of data gathered has a rapid development. Today, many stores has a web site, customers may easily purchase products online. Some companies, such as Amazon. com (http://www. amazon. com), only at risk to trade, there is no physical shopping. Direct marketing data for data mining offers a prosperity of resources.