Abstract: With the rapid development of Internet, users make use of network to achieve the resources frequently. But search engines return a big and linear list which is uncomfortable for users to use. Next clustering which is flexible and automatic has become one important measure to solve the problem This paper used a kind of clustering algorithm named Lingo as major object And aiming at a problem in Lingo algorithm that the label can't belong to more then one sentence, the paper employed Apriori algorithm to find label as search suggested keyword to make up the problem

Key words: Search engine, Lingo, Apriori, Suggested keyword