Method for providing service in IP based network system

PURPOSE: A method for providing a service in an Internet-based network system is provided to receive the service from various devices through a user interface by forming an IP-based network in dummy devices as well as intelligent devices. CONSTITUTION: A user operates a browser using a user interface device such as a web pad or a computer(602) and connects to a lookup server of a home network(604). A master page for indicating devices to exist on a current home network is displayed(606). The user selects a device which the user wants to drive(608). If the user selects a digital TV, a web page of the digital TV is displayed(610). The user selects a desired service among a service list(612), and the digital TV executes the service operation selected by the user(614).