The present invention relates to a method and
system for grasping an interested field of an Internet user, i.e., access intention of
the Internet user, attracting advertisement from a plurality of sponsors on
the Internet using the user's access intention, and providing the advertisement to the user on
the Internet. According to a preferred embodiment of the present invention there is provided a method for generating advertisement information to attract advertisement on an Internet, the method comprising the steps of maintaining a keyword
database for recording more than one keyword, type information of the keyword, predetermined reference information that corresponds to the type information, and advertisement
list information that corresponds to the keyword, in which the advertisement
list information includes information for the number of advertisement files including the keyword; receiving a predetermined event from a user, recording a keyword that corresponds to the received event, for history data; searching for the type information of the keyword by referring to the keyword
database; searching for the reference information that corresponds to the searched type information; judging whether the keyword is an interested field of the user on the basis of the searched reference information; generating an advertisement file including the keyword regarded as the interested field of the user, updating the information for the number of advertisement files in the advertisement
list information stored in the keyword
database; and generating advertisement information including the keyword and the updated advertisement list information.