1. An information recommending method with a computer using a database storing multiple classification word displayed as a tag or a category in a web site, one or more words related to each of the multiple classification words, and a numerical value of the relationship of one or more words with the classification word in association with each other, the method comprises a step of establishing the database, wherein the step for establishing the database comprising: a web site selecting step in which the computer selects multiple web sites having a certain classification word from web sites connected to the computer via an electronic communication circuit; a word group extracting step in which the extracts a word group included in sentences in the web sites selected in the web site selecting step; a numeric conversion step in which the computer measures, in the web sites selected in the web site selecting step, the frequency of each word included in the word group extracted in the word group extracting step, and performs numerical conversion on relationship between the certain classification word and each word; and a storage step in which the computer stores, to the database, the numerical value obtained in the numeric conversion step for each word included in the word group and each word of the word group included in the sentences of the web sites selected in the web site selecting step in relation to the certain classification word the method further comprises: a first word extracting step of extracting words included in each of multiple web pages; a first classification word extracting step of accessing the database using the words extracted in the first word extracting step, and extracting a classification word from the database, and thereby extracting the classification word related to each of the web pages; a related classification word storing step of storing access information to each of the web pages and the classification word related to each of the web pages extracted in the first classification word extracting step in association with each other; a second word extracting step of extracting words used for search of the Internet by a certain client or words included in web pages viewed by the certain client; a second classification word extracting of accessing the database using the words extracted in the second word extracting step, and extracting a classification word from the database, and thereby extracting the classification word related to each client; a web page selecting step of obtaining a web page having a classification word related to the classification word extracted in the second classification word extracting step using the classification word extracted in the second classification word extracting step and the classification word extracted in the first classification word extracting step; and an access information displaying step of reading out the access information to the web page obtained in the web page selecting step from the access information stored in the related classification word storing step, and displaying the access information read out on the client; therefore, the preference of the user of the client that can be read from the certain client and the web page suitable for the preference can be matched.