PURPOSE: A subscription agency method in internet is provided to automatically subscribe for an event when user clicks a subscription button. CONSTITUTION: The method comprises the steps of: a user joining a subscription agency server by inputting and transferring a personal information. The user connecting the subscription agency server. the subscription agency server transfers a web page having list of event to a user. The subscription agency server makes mapping the user's personal information as a subscription inputting form in response to the event selected by user, and transfers the subscription inputting form to an event sponsorship server.