Indexing frame of Web page information is constructed referring to Dublin core metadata. Web page’s characteristic information is extracted. Web page information auto-indexing is realized by using ADO technology. The experiment result indicates that the accurate rate of mapping indexing information to Web page reaches 100%.Finally, classification and indexing technology are applied to the intelligent agent termination of the complementary architecture network. The effectiveness of UCL indexing method is proved. The experiment result indicates that  through Web page information auto-classification and auto-indexing technology based on the UCL, active service of information is realized and user’s individual demand is satisfied.