Abstract: The object of the present invention is to provide an advertisement information sharing system which allows anyone to easily carry out a manuscript publication of an article with an advertisement added thereto and by presenting such an advertisement as to draw attention of readers of the article, makes it possible to accelerate the manuscript publication of the advertisement article by the contributor and the browsing and utilization of the advertisement by the readers. The advertisement information sharing system is provided with a contributor terminal for outputting an article with an advertisement added thereto, a user terminal for outputting user information and an advertisement information sharing server.