Abstract: An internet business card management method according to an embodiment of the present invention includes: maintaining a business card database for storing a business card including at least one piece of information on the name, address, contact, e-mail address, or home page of each user; detecting the occurrence of a business card exchange event between a first user and a second among the users; creating a link between the internet business card of the first user and the internet business card of the second user in response to the occurrence of the business card exchange event; and in response to a business card lookup request of the first user or the second user, displaying a user's internet business card corresponding to the request.