PURPOSE : A method for providing information in a new way by using network communication is provided to enable a user to receive the customized information, such as current price information of real estate by making information providers update/provide the updated and customized information needed for the user.CONSTITUTION : A main server(102) secures/stores a profile of the information providers, and displays the information provided from an information provider computer(103) and the profile of the information provider to a client program of a user computer(101). The information provider obtains a right for providing the information to the user computers by registering the profile to the main server. The information provider makes and manages the profile by using the client program. The information provider receives authentication for a file storing current real estate information from the main server by uploading the file to the main server and the main server displays the information stored in the uploaded file to the user computer. A screen of the client program displays an information list, the profile of the information provider, and a community between the information provider and the user.? KIPO 2008