Provided is a method for assisting provision of EC abroad, and for encouraging cross-border EC by making delivery abroad easier. The method includes the steps of: sending, by the assisting server 100, display information of at least one of articles included in article information for an existing EC site to a user terminal 120 of a foreign user (S201); receiving, by the assisting server 100, a notice that a displayed article was selected from the user terminal 120 (S202); and further includes the steps of: sending, by the assisting server 100, a purchase cost of the selected article to the user terminal 120 (S203); and receiving, by the assisting server 100, a notice to purchase the selected article from the user terminal 120 (S204).